White light passes through a green filter and is observed on a screen. Describe how the screen will look if a second green filter is placed between the first filter and the screen. Describe how the screen will look if a red filter is placed between the green filter and the screen.

Q: Explain the advantage of polarized sunglasses over plaintinted sunglasses.

A: Polarized sunglasses: There is a filter in the polarized sunglasses which creates vertical openings.…

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A: Answer: ai,e Absorbed.

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A: Interference causes the brilliant colours seen in an oil slick floating on water or a sunny soap…

Q: Light in alcohol (n = 1.36) is incident on flint glass (n = 1.66) as shown below. Normal Alcohol…

A:

Q: Explain the cause of dispersion of white light through a prism.

A: The deviation produced by the prism to the incident ray of light is given by

Q: 24.4  Brewster's angle (the angle of the incident ray for which the refracted and reflected rays are…

A:

Q: Draw the shape of the wavefront coming out of a convex lens when a plane wave is incident on it.

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Q: Using the information given in the preceding question, explain why sunsets are red.

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A:

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A: Given,  The ray of light is moving from air to water.

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A: A wave front is defined as "the locus of all those particles which are vibrating in the same phase…

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A:

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A: (1) Sun appears red during sunsets is an example of interference (2)  Light reflected from a film of…

Q: The index of refraction for a certain type of glass is 1.635 for blue light and 1.603 for red light.…

A: Index of refraction for blue light , n1 = 1.635  Index of refraction for red light , n2 = 1.603…

Q: 1. In sunlight, you see a blue truck. What colors of light is the truck absorbing, and what colors…

A: We are able to observe  things because of light from the object reach our eays.

Q: 31. The diagram to the right represents a monochromatic orange light as it refracts across the…

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Q: Explain the process of Polarisation by Polaroid Filter.

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Q: Draw a diagram to show the dispersion of white light by a glass prism.

A:

Q: Students conduct an experiment using a laser with wavelength 5850 Å. By shining the laser light…

A:

Q: When standing at the edge of a pool light from the sun refracts when it enters the water. Assuming…

A: Refractive index of air (n) = 1 Refractive index of water (nw) = 1.33 Angle of incidence of light…

Q: Explain the phenomenon of dispersion of white light through a glass prism using suitable ray…

A: When white light passes through the prism, the white light is dispersed into its seven colors…

Q: 19. The diagram to the right represents a monochromatic blue light as it refracts across the surface…

A:

Q: Give some Types of polarization.

A: Given below is the list of polarization that occurs in nature: Dielectric polarization: This type…

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A: Originally, the colors of American flag are red, white and blue.

Q: . Each 1.0 mm of a filter through which light passes reduces the intensity of the light by 12%. How…

A: Given: Each 1 mm of filter reduces the light by 12 % We want the intensity to be reduced by 20%

Q: 19. The diagram to the right represents a monochromatic blue light as it refracts across the surface…

A: When a ray of light incident on a glass prism after refracting through a surface of the prism. When…

Q: Imagine a ray of light passing between air (n~1) and glass (n~1.5). If the ray of light hits the…

A: Given Refractive index of air is nair=1 Refractive index of glass is nglass=1.5 Incident ray hit at…

Q: 19. The diagram to the right represents a monochromatic blue light as it refracts across the surface…

A:

Q: Illustrate a primary and secondary rainbow from an observer's eye 2. An image of a flower reflected…

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A:

Q: ys in which light is different from any other

A: Given:-  There are two ways in which light is different from any other kind of wave.  Find:-…

Q: is the quality of picture better when you used pol

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Q: Suppose reflected white light is used to observe a thin, transparent coating on glass as the coating…

A: Suppose the index of refraction of the coating is intermediate between vacuum and the glass. When…

Q: Using a laser, the angle of incidence and angle of refraction are measured for a sample of fused…

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Q: A beam of light is emitted 10.0 cm beneath the surface of a liquid and strikes the surface 6.0 cm…

A:

Q: Choose the BEST answer to the following: The blueness of the daytime sky is due mostly to light (a)…

A: The very fine particles in the atmosphere scatter the sunlight as it passes through.

Q: Two identical light sources Their light intensities change randomly emit light of same wavelength A.…

A: Interference only observed by waves when they have same wavelength and also have constant phase…

Q: Choose the BEST answer to the following: A rainbow is the result of light in raindrops that…

A: The white light is first refracted from the surface of the raindrop, then reflected back from the…

Q: The famous figure of light scattering in a prism (see below) happens because: When we pass from a…

A: The light is in rarer medium, and when it passes through the denser medium (prism), refraction takes…

Q: What is the laws of reflection and refraction? Try to draw a light path diagram to explain why the…

A: Ray optics is a part of physics that describes light propagation in terms of rays.

Q: Explain the optical mechanism why we can see a colorful rainbow in the sky.

A:

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: