Exam 22: Reflection and Refraction of Light

A small underwater pool light is 2.25 m below the surface of a swimming pool.What is the radius of the circle of light on the surface,from which light emerges from the water? (n_water = 1.333).

(Multiple Choice)

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Question 41

A monochromatic light source emits a wavelength of 403 nm in air.When passing through a liquid,the wavelength reduces to 363 nm.What is the liquid's index of refraction?

(Multiple Choice)

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Question 42

According to present theories of light,in some experiments light seems to be:

(Multiple Choice)

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Question 43

A light ray incident on the interface between air and glass can undergo total internal reflection:

(Multiple Choice)

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Question 44

Tripling the wavelength of the radiation from a monochromatic source will change the energy content of the individually radiated photons by what factor?

(Multiple Choice)

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Question 45

Two parallel beams of light in air strike the surface of a transparent material and the refracted beam 1 is closer to the normal than beam 2.Which beam is traveling at higher speed in the material,and which beam has the higher index of refraction in the material?

(Multiple Choice)

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Question 46

A fiber optic cable (n = 1.53)is submerged in water (n = 1.33).What is the critical angle for light to stay inside the cable?

(Multiple Choice)

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Question 47

If light from a 336-nm monochromatic source in air is incident upon the surface of fused quartz (n = 1.56)at an angle of 60°,what is the wavelength of the ray refracted within the quartz?

(Multiple Choice)

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Question 48

A ray of light strikes a thick sheet of glass (n = 1.5)at an angle of 22° with the normal.Find the angle of the ray reflected off the glass surface with respect to the normal.

(Multiple Choice)

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Question 49

When light passing through a prism undergoes dispersion,the effect is a result of:

(Multiple Choice)

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Question 50

The wave-particle duality of light means that,in the same experiment:

(Multiple Choice)

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Question 51

What is the maximum possible arc that can be subtended by a rainbow? (Consider all possible viewing geometries).

(Multiple Choice)

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Question 52

When light of one wavelength from air hits a smooth piece of glass at an angle,which of the following will not occur?

(Multiple Choice)

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Question 53

Two mirrors are joined together along a common side,the planes of the mirrors separated by the angle θ.If the joined mirrors can be used as a retroreflector when a beam of light strikes both surfaces (one after the other),what is the value of θ?

(Multiple Choice)

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Question 54

Light in air enters a diamond (n = 2.42)at an angle of incidence of 30.0°.What is the angle of refraction inside the diamond?

(Multiple Choice)

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Question 55

What is the energy of a photon of light of wavelength 4.80 × 10^-7 Hz. h = 6.63 × 10^-34 J.s and 1 eV = 1.6 × 10^-19 J.

(Multiple Choice)

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Question 56

White light is sent through a prism,and the various colors are separated in typical fashion.Which of the following colors would have the highest index of refraction in this prism?

(Multiple Choice)

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Question 57

When light reflects and produces a clear image,this reflection is referred to as:

(Multiple Choice)

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Question 58

Dispersion occurs when:

(Multiple Choice)

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Question 59

An underwater scuba diver sees the Sun at an apparent angle of 39.6° from the vertical.How far is the Sun above the horizon? (n_water = 1.333)

(Multiple Choice)

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Question 60

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Exam 22: Reflection and Refraction of Light

A small underwater pool light is 2.25 m below the surface of a swimming pool.What is the radius of the circle of light on the surface,from which light emerges from the water? (nwater = 1.333).

A monochromatic light source emits a wavelength of 403 nm in air.When passing through a liquid,the wavelength reduces to 363 nm.What is the liquid's index of refraction?

According to present theories of light,in some experiments light seems to be:

A light ray incident on the interface between air and glass can undergo total internal reflection:

Tripling the wavelength of the radiation from a monochromatic source will change the energy content of the individually radiated photons by what factor?

Two parallel beams of light in air strike the surface of a transparent material and the refracted beam 1 is closer to the normal than beam 2.Which beam is traveling at higher speed in the material,and which beam has the higher index of refraction in the material?

A fiber optic cable (n = 1.53)is submerged in water (n = 1.33).What is the critical angle for light to stay inside the cable?

If light from a 336-nm monochromatic source in air is incident upon the surface of fused quartz (n = 1.56)at an angle of 60°,what is the wavelength of the ray refracted within the quartz?

A ray of light strikes a thick sheet of glass (n = 1.5)at an angle of 22° with the normal.Find the angle of the ray reflected off the glass surface with respect to the normal.

When light passing through a prism undergoes dispersion,the effect is a result of:

The wave-particle duality of light means that,in the same experiment:

What is the maximum possible arc that can be subtended by a rainbow? (Consider all possible viewing geometries).

When light of one wavelength from air hits a smooth piece of glass at an angle,which of the following will not occur?

Two mirrors are joined together along a common side,the planes of the mirrors separated by the angle θ.If the joined mirrors can be used as a retroreflector when a beam of light strikes both surfaces (one after the other),what is the value of θ?

Light in air enters a diamond (n = 2.42)at an angle of incidence of 30.0°.What is the angle of refraction inside the diamond?

What is the energy of a photon of light of wavelength 4.80 × 10-7 Hz. h = 6.63 × 10-34 J.s and 1 eV = 1.6 × 10-19 J.

White light is sent through a prism,and the various colors are separated in typical fashion.Which of the following colors would have the highest index of refraction in this prism?

When light reflects and produces a clear image,this reflection is referred to as:

Dispersion occurs when:

An underwater scuba diver sees the Sun at an apparent angle of 39.6° from the vertical.How far is the Sun above the horizon? (nwater = 1.333)

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A small underwater pool light is 2.25 m below the surface of a swimming pool.What is the radius of the circle of light on the surface,from which light emerges from the water? (n_water = 1.333).

What is the energy of a photon of light of wavelength 4.80 × 10^-7 Hz. h = 6.63 × 10^-34 J.s and 1 eV = 1.6 × 10^-19 J.

An underwater scuba diver sees the Sun at an apparent angle of 39.6° from the vertical.How far is the Sun above the horizon? (n_water = 1.333)