what is the minimum non-zero thickness of the coating that will produce destructive interference for the yellow-green light? _______ nm
Answers
The minimum non-zero thickness of the coating that will produce destructive interference for yellow-green light is 137.5 nm.
To determine the minimum non-zero thickness of the coating that will produce destructive interference for yellow-green light, we need to consider the wavelength of the light and the principle of thin-film interference. Yellow-green light has a wavelength of approximately 550 nm.
For destructive interference to occur in a thin film, the path difference between the light waves reflecting from the top and bottom surfaces of the film should be half of the wavelength (λ/2). This happens when the film thickness (t) is an odd multiple of λ/4.
t = (2n + 1) × (λ/4)
For the minimum non-zero thickness, let n = 0:
t = (2 × 0 + 1)× (550 nm / 4)
t = 1 × (137.5 nm)
t = 137.5 nm
The minimum non-zero thickness of the coating that will produce destructive interference for yellow-green light is 137.5 nm.
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Related Questions
Planets
Project: Scale Model of the Solar System
Answers
A solar system is a group of planets and other space material orbiting (going around) a star. In our solar system, that star is known as the Sun and the planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
We want our model to reflect the relative distances and sizes of the planets.
Materials:
Metric rulerWhite poster boardPencilDrafting compass (the kind you draw circles with)ScissorsPermanent MarkerProcedure: Scale Model of Distances from Sun
Trace 9 circles using the bowl as a guide. Because the distance scale model only is concerned with distances between the planets, you can make all the planets the same size.Label the circle's Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.Cut the circles out.Position yourself as the Sun.Give each of your friends a cut-out planet to hold.Have your friends position themselves the following distances from you. (Note that some of the measurements are in centimeters rather than meters. A centimeter is 1/100 of a meter, just like a cent is 1/100 of a dollar).Procedure: Scale Model of Relative Diameters of Planets
First, we need to compare the diameter of the Earth to that of the other planets. Remember that diameter is the length of a straight line going through the middle of a circle. The Earth’s diameter is 12,750 km. We can divide the diameter of the Earth into the diameters of all the planets, to get a relative comparison. The Sun, with a diameter of 1,393,000 km, is over a million times bigger than Earth and would be too big to draw on a piece of paper for this activity.Use the ruler to draw a line for the diameter. Start with drawing the relative diameters of Jupiter, Saturn, Uranus, and Neptune.Using the compass, draw circles around the diameters. Fit in the smaller planets (Earth, Mercury, Venus, and Mars) around where you drew the bigger planets.Label the planets, so you don’t forget which is which when you are cutting them out. For tiny planets, you might have to use an abbreviation.Cut your planets out.Results
When you build the scale model of solar system distances, you will undoubtedly notice that some of your friends will be much closer together than others. Some of your friends will have to stand quite close to each other, while others will be far enough away to have a hard time hearing you! When you compare the sizes of the planets, Jupiter and Saturn will seem gigantic compared to the others.
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If a runner's power is 400 W as she runs, how much chemical
energy does she convert into other forms in 10.0 minutes?
Answers
Answer:
\(240 kJ\)
Explanation:
A Watt is defined as a Joule per second. 10.0 minutes, converted in seconds, are \(10.0*60 =600s\). At this point, we just multiply the two numbers: \(400 J/s * 600.0s = 240 000.0J\)
can someone tell me what herman branson was recognized or awarded for their work
Answers
Answer:
The Pauling-Branson Award recognizes the contributions of Herman Russell Branson, (1914-1995), one of the first African American physicists to make crystallography the focus of his research.
Why does a blue solution appear blue what colors of light are absorbed transmitted?
Answers
Answer:
The solution absorbs the red and green wavelengths; however, the blue light is reflected and passes through, so the solution appears blue. This procedure takes place whenever an object displays visible color.
To win the game, a place kicker must kick a
football from a point 37 m (40.4632 yd) from
the goal, and the ball must clear the crossbar,
which is 3.05 m high. When kicked, the ball
leaves the ground with a speed of 21 m/s at
an angle of 35.8
◦
from the horizontal.
The acceleration of gravity is 9.8 m/s
2
.
By how much vertical distance does the ball
clear the crossbar?
Answer in units of m.
Answers
We know that the vertical clearance of the crossbar by the ball is x=1.57m.
Clear the crossbar: What does that mean?From a point 36.0 m from the goal, a place kicker must kick a football. The ball must clear the 3.05 m-high crossbar as a consequence of the kick. The ball kicks off the ground with a speed of 20.0 m/s at an angle of 53° from the horizontal.
v=18cos48 m/s
Time is therefore defined as distance multiplied by speed, which equals 28/18cos48 divided by 48, or 2.324
Use s = ut + (0.5)a(t2) when resolving vertically.
Where is the unidentified distance, s? (the height above the GROUND)
initials are u (vertical) 18 divided by 48 gives a speed of -9.8 meters per second (negative since we take upwards as positive)
t = 2.3247... (what we found previously) (what we found previously)
Adding the figures to the formula gives 4.616
Subtracting the goalpost's height (3.05) results in 1.57m above the crossbar, or 1.56.
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Suppose Alex is navigating using a compass. She starts walking at an angle of 60° north of east and walks a total of 100 m. How far north is she from the starting point? How far east?
Answers
Answer:
\(50\:\mathrm{m\: North}\\50\sqrt{3}\:\mathrm{m\: East}\)
Explanation:
We can create a 30-60-90 triangle. The distance she walked is then the hypotenuse of the triangle, and using 30-60-90 triangle rules, we have the following:
The North leg is opposite to the \(30^{\circ}\) angle. Therefore, if we call this distance \(y_N\), we have the following:
\(\sin 30^{\circ}=\frac{y_N}{100},\\\frac{1}{2}=\frac{y_N}{100},\\y_N=\fbox{$50\:\mathrm{m}$}\).
The East leg is opposite to the \(60^{\circ}\\\) angle. If we call this distance \(x_E\), we have:
\(\sin 60^{\circ}=\frac{x_E}{100},\\\frac{\sqrt{3}}{2}=\frac{x_E}{100},\\x_E=\fbox{$50\sqrt{3}\:\mathrm{m}$}\).
What happens to the magnet on top of another magnet?
Answers
Similar like magnets, opposites are drawn together. A magnet's north pole will adhere to another magnet's south pole. However, a magnet's north pole will push away from another magnet's north pole.
The basic adage "opposites attract" applies to magnets. Every magnet has a north and a south pole. The drawing together of two poles that are incompatible with one another. If you attempt to align the north and south poles in these directions, they will reject one another.The magnets are surrounded by an invisible magnetic field that is filled with potential energy. When two poles with similar sides are attempted to be pushed together, the built-up energy transforms into motion, or kinetic energy, and pushes the poles apart.When two diametrically opposed poles combine, the same logic applies. The magnets are compelled to come together because of the intense attraction.
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On his fishing trip Justin takes the boat 12 km south. The fish aren't biting so he goes 4 km North. He follows a school of fish 1 km further north.
What distance did he cover? What was his displacement?
I give Brainliest!
Answers
Answer:
Distance: 17 km
Displacement: 7 km
Explanation:
The distance is the total measure of how much he moved.
The displacement is the straight line between the star point and the end point
Which of the following best defines energy?
the ability to do work
the resistance to motion
how fast an object moves
amount of force in a given time
Answers
Answer:
The Ability to do work
Explanation:
energy is needed to do work because without energy no work can be done due to the fact that there is no energy
PLEASE HELP !!
Reaction time + ? = Speed
Coordination Time
Mental Reaction Time
Physical Reaction Time
Movement Time
Answers
Answer:
Movement Time
explanation:
Explain why an object floats on water. Use terms like buoyancy force and gravitational
force.
Answers
Answer:
If an object pushes out an amount of water equal to its own weight, the upward force acting on it will be equal to gravity - and the object will float.
Explanation:
The buoyant force has an impact on the object in the water and equals the weight of the water displaced by the object. Every object placed in water has some buoyancy force that pushes it against the gravitational force, and this means that any object loses weight in the water.
A perfectly inelastic demand curve Multiple Choice graphs as a line parallel to the vertical axis. has a price elasticity coefficient greater than unity. has a price elasticity coefficient of unity throughout. graphs as a line parallel to the horizontal axis.
Answers
A perfectly inelastic demand curve graphs as a line parallel to the vertical axis.
How does a perfectly inelastic demand curve graph?A perfectly inelastic demand curve is a type of demand curve where the quantity demanded remains constant regardless of changes in price. In other words, the demand is completely unresponsive to price changes. When graphed, a perfectly inelastic demand curve appears as a vertical line parallel to the vertical axis.
This means that no matter how much the price of a product or service changes, the quantity demanded by consumers remains the same. The price elasticity of demand coefficient for a perfectly inelastic demand curve is zero because there is no change in quantity demanded relative to price changes.
A perfectly inelastic demand curve is often seen in the case of essential goods or products with no close substitutes, where consumers are willing to pay any price to obtain the item. Examples may include life-saving medications or specific medical treatments.
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8. A hiker walks 2.3 km east and then 4.1 km north. What is her displacement?
A. 6.4 km
B. 6.4 km at 45°
C. 4.7 km at 61°
D. 4.7 km at 29°
Answers
to find the distance , use Pythagoras theorem.
let the displacement = c
c ^ 2 = 2.3 ^ 2 + 4.1 ^ 2
c = 4.7 km
then , you need to find the angle.
tan theta = 4.1 / 2.3
theta = 61 degree
i am sorry if my answer was wrong but i hope it helps you and you can understand it : )
A loop of wire of area A is tipped at an angle eto uniform magnetic field B. The maximum flux occurs for an angle A=0. What angle 0 will give a flux that is of this maximum value? A. 0=30° B. 0=45 c. 0=60 d.0=90
Answers
Answer:
We have that θ is the angle that makes the normal of the loop and the direction of the magnetic field.
This means that if θ = 0°, the plane in which the loop of wire lies is totally perpendicular to the magnetic field. (or the face of the loop points in the same direction than the field)
Now, the magnetic flux can be calculated as:
\(\int\limits^} \,B.dA\)
Where dA is the differential of area, and we have a dot product, then we have:
B.dA = B*Acos(θ)ds
ds is a differential of surface.
Now, the flux will be maximum when cos(θ) is also a maximum.
And the maximum of the cosine is:
Cos(0°) = 1.
decreasing until cos(90°) = 0
Now, the options given are:
30°, 45°, 60° and 90°.
Then in this range, the maximum flux will occur at the angle closer to 0°, then the correct option is θ = 30°
he fluctuation-compressibility relation [eq. (10.7.21)] for the k → 0 (long-wavelength) limit of s(k).
Answers
In the long-wavelength limit (k → 0), the fluctuation-compressibility relation for the structure factor, s(k), can be expressed as:
s(k) = ρ k_BT χ(k)
To derive the fluctuation-compressibility relation in the long-wavelength limit, we start with the definition of the structure factor:
s(k) = 1 + ρ ∫ [g(r) - 1] exp(-i k ⋅ r) d^3r
where g(r) is the pair correlation function.
In the long-wavelength limit (k → 0), we can expand the exponential term as:
exp(-i k ⋅ r) ≈ 1 - i k ⋅ r
Substituting this approximation into the structure factor equation and neglecting higher-order terms in k, we have:
s(k) ≈ 1 + ρ ∫ [g(r) - 1] (1 - i k ⋅ r) d^3r
Expanding the integrand, we get:
s(k) ≈ 1 + ρ ∫ [g(r) - 1] d^3r - i ρ k ⋅ ∫ [g(r) - 1] r d^3r
The first term on the right-hand side is just the number density ρ, and the second term can be related to the isothermal compressibility, χ(k), using the definition:
χ(k) = -ρ^(-1) ∫ [g(r) - 1] r d^3r
Therefore, we can rewrite the expression for s(k) as:
s(k) ≈ 1 + ρ - i ρ k ⋅ χ(k)
Finally, multiplying both sides by ρ k_BT, where k_BT is the thermal energy, we obtain the fluctuation-compressibility relation in the long-wavelength limit:
s(k) ≈ ρ k_BT - i ρ^2 k_BT k ⋅ χ(k)
The fluctuation-compressibility relation for the k → 0 (long-wavelength) limit of s(k) is given by the equation:
s(k) = ρ k_BT χ(k)
where ρ is the number density of particles, k_B is the Boltzmann constant, T is the temperature, and χ(k) is the isothermal compressibility.
This relation relates the structure factor to the isothermal compressibility and provides insight into the behavior of fluctuations in a system at large scales.
It is commonly used in the study of condensed matter physics and statistical mechanics.
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Next, Stacy measures two quantities: the mass of each washer and the force that the washers exert on the force meter. In general, how will the force change as she adds more washers to the meter?
Answers
The force that the washers exert on the force meter will increase as she adds more washers to the meter.
What is the relationship between force and mass?Force exerted by a body is directly proportional to the mass of the body.
Force increases with increase in mass.
The increase in the mass of the washers will result in an increase in the force exerted by the washers.
Therefore, the force that the washers exert on the force meter will increase as she adds more washers to the meter.
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The force will increase when Stacy adds more washers to the force meter.
what is resultant force?
Answers
Answer:
In physics and engineering, a resultant force is the single force and associated torque obtained by combining a system of forces and torques acting on a rigid body. The defining feature of a resultant force, or resultant force-torque, is that it has the same effect on the rigid body as the original system of forces.
I hope it's helpful!
Answer:
it is a force that result in anything to be done
A net force of 20 N is applied to a 5 kg object. What is the acceleration of the object?
Answers
Answer:
\(4ms^{-2}\)
Explanation:
F = ma
Rearrange to get acceleration on its own:
a = \(\frac{F}{m}\)
Substitute 20 for F and 5 for m:
a = \(\frac{20}{5}\) = 4 meters/second/second
Arun places a beaker of water on a hotplate and turns the hotplate on. The temperature in the room is 25 ºC. After the water heats to 75 ºC, she adds pieces of ice to the beaker. Which mode of transfer of heat energy occurs in the water during this experiment? Justify your answer
Answers
Answer:
Thermal convection
Explanation:
When ice cubes are placed in water, ice cubes start melting. This is because water transfers its heat to ice cubes until the temperature becomes equal and the process is called "thermal Convection".
Thermal convection is the mode of transfer of heat energy that will occur when ice cubes will be added to the hot water and at the end of the experiment when both are at the same temperature, no ice cube will left.
Hence, the correct answer is "thermal convection".
which one of the following pairs of characteristics of light is best explained by assuming that light can be described in terms of photons?
Answers
Existence of the line spectra and the photoelectric effect best explained by assuming that light can be described in terms of photons.
The photoelectric effect is a phenomenon wherein electrically charged particles are discharged from or inside a substance when it absorbs electromagnetic radiation. It is common to refer to the action of light striking a metal plate as the ejection of electrons from the plate. According to a broader definition, the material could be solid, liquid, or gas, the radiant energy could be in the form of infrared, visible, or ultraviolet light, X-rays, or gamma rays, and the discharged particles could also include ions (electrically charged atoms or molecules) in addition to electrons. The phenomenon was crucial in the development of modern physics because of the puzzling questions it raised about the nature of light—particle vs wavelike behavior—that were ultimately answered by Albert Einstein in 1905.
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PLS SOMEONE HELP PLSSS
Answers
Ha
-k
5
ck
Today's Bellwork
The one ounce gold coin, $50 face value,
weighs 33.931 g. If gold has a density of 19.25
g/cm³, what volume does this coin occupy?
Answers
The volume occupied by the one ounce gold coin (i.e 33.932 g), given that its has a density of 19.25 g/cm³, is 1.76 cm³
How do i determine the volume occupied?The following data were obtained from the question:
gold bar. Details below:
Mass of gold coin = 33.931 gDensity of gold = 19.25 g/cm³Volume of gold = ?The volume of the gold coin can be obtained as follow:
Density = mass / volume
Cross multiply
Density × volume = mass
Divide both sides by density
Volume = mass / density
Volume of gold = 33.931 / 19.25
Volume of gold = 1.76 cm³
Thus, we can conclude that the volume occupied is 1.76 cm³
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Two train cars with the same mass (30,000 kg) are traveling in the same direction when they collide.
Train Car A has a velocity of 10 m/s and Train Car B has a velocity of 5 m/s. What is their total
momentum after the collision? Make sure to show all your work and include proper units.
Answers
Answer:
25
Explanation:
I just did this
what makes astronomers think that cygnus x-1 contains a black hole? (a) we can directly observe that one member of the system emits no light. (b) the unseen object orbited by a luminous star is too massive to be a neutron star. (c) the strong x-ray emission from the system means it must contain a black hole.
Answers
Astronomers think that cygnus x-1 contains a black hole because the unseen object orbited by a luminous star is too massive to be a neutron star and is therefore denoted as option B.
Who is an Astronomer?This is referred to as a type of scientists who studies the Universe and the objects within and around it.
Cygnus x-1 is referred to as a galactic X-ray source in the constellation Cygnus and was widely accepted to be a black hole as a result of the unseen object orbited by a luminous star is too massive to be a neutron star.
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Which of these causes summer in the northern hemisphere?
The Sun is closer to Earth during the summer.
The northern hemisphere receives more direct sunlight during the summer.
Earth's northern axis is tilted away from the Sun during the summer.
The North Pole is tilted away from the Sun during the summer.
Answers
Answer:
The northern hemisphere receives more direct sunlight during the summer.
A heat engine takes in 500kW of heat power at a temperature of 500oC and rejects 265kW at a temperature of 50oC. (a). Determine the thermal efficiency of this cycle, then (b) Determine the thermal efficiency of the corresponding Carnot cycle and (c) Based on a comparison of these two efficiencies, can this heat engine exist? Explain your answer.
Answers
The thermal efficiency of the given heat engine is 47%, while the thermal efficiency of the corresponding Carnot cycle is 58.24%. The heat engine falls short of the Carnot efficiency, suggesting inefficiencies or design limitations.
(a) To determine the thermal efficiency of the given heat engine, we can use the formula:
Thermal Efficiency = (Net Work Output / Heat Input) * 100
The net work output can be calculated by subtracting the heat rejected from the heat input:
Net Work Output = Heat Input - Heat Rejected
Given:
Heat Input = 500 kW
Heat Rejected = 265 kW
Substituting these values into the formula, we have:
Net Work Output = 500 kW - 265 kW = 235 kW
Now, we can calculate the thermal efficiency:
Thermal Efficiency = (235 kW / 500 kW) * 100 = 47%
Therefore, the thermal efficiency of this cycle is 47%.
(b) The Carnot cycle is an idealized reversible heat engine that operates between two heat reservoirs. Its thermal efficiency can be determined using the formula:
Thermal Efficiency Carnot = 1 - (T_low / T_high)
Given:
T_low = 50°C + 273.15 = 323.15 K
T_high = 500°C + 273.15 = 773.15 K
Substituting these values into the formula, we have:
Thermal Efficiency Carnot = 1 - (323.15 K / 773.15 K) ≈ 0.5824 (58.24%)
Therefore, the thermal efficiency of the corresponding Carnot cycle is approximately 58.24%.
(c) Comparing the thermal efficiency of the given heat engine (47%) with the thermal efficiency of the Carnot cycle (58.24%), we can conclude that the heat engine is less efficient than the corresponding Carnot cycle. In theory, the maximum efficiency any heat engine can achieve is the Carnot efficiency when operating between the same temperature limits. The given heat engine falls short of the Carnot efficiency, indicating that it is not operating at the maximum possible efficiency.
This comparison suggests that the given heat engine may not be feasible or ideal. It could be due to factors such as irreversibilities, inefficiencies in the conversion of heat to work, or losses in the system. Improving the design or addressing these inefficiencies would be necessary to approach the ideal efficiency of the Carnot cycle.
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which property of a wave is labeled "x" on the diagram?
a. amplitude
b. frequency
c. wavelength
d. none of the above
(thank you!)
Answers
174cm=____ m
1.74
17.4
1740
17,400
Answers
Answer:
A
Explanation:
Q- A body is acted upon by two forces 30N due east and 40N due North. Calculate
resultant and its direction.
Answers
Answer:
the following image will make you understand
Explanation:
A hot air baloon is 100 above the ground when a motorcycle (traveling in a straight line on a horizontal road) passes directly beneath it going 45 mi/hr (06/a) it the balcon itsas vertically at a rate
Answers
A hot air balloon is 100 feet above the ground when a motorcycle (traveling in a straight line on a horizontal road) passes directly beneath it going 45 miles/hour.
Given that, The altitude of the balloon from the ground = 100 feet The velocity of the motorcycle = 45 miles/hour = 66 feet/second Rate of ascending of the balloon = 10 feet/second Now, When the motorcycle passed the balloon, both of them are on the same line passing through the ground.
Let the length of the balloon be L. The time taken for the balloon to move L distance = L / Rate of ascent of balloon L = 0 because it is already in sight. Hence, the motorcycle driver has to travel for no time before the balloon is out of sight.
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