(a) Explanation Given info: The angle of incidence of the light ray is 45.0 ° , the refraction angle of light is 76.0 ° and the length of point from the bottom edge where light enters is 50.0 m . The diagram for plastic block having incidence of light at a point at A and refracted at point B is given below. Figure (1) Formula to calculate the refractive index for plastic block, n = sin θ 1 sin r (1) Here, θ 1 is the angle of incidence of the light at A . r is the angle of refraction of the light at A . Formula to calculate the refractive index for plastic block, n = sin θ 2 sin ( 90 − r ) (2) Here, θ 2 is the angle of refraction of light at B . 90 ° − r is the angle of incidence at B . Equate equation (1) and equation (2) to balance the value of refractive index (b) To determine The time taken by light ray to pass through the plastic.

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Author: Jewett

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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:

Question

Chapter 35, Problem 35.77AP

(a)

To determine

The index of refraction of plastic.

(b)

To determine

The time taken by light ray to pass through the plastic.

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Chapter 35, Problem 35.76AP

Chapter 35, Problem 35.78AP

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Chapter 35 Solutions

EBK PHYSICS FOR SCIENTISTS AND ENGINEER

Ch. 35 - Prob. 35.1QQ Ch. 35 - If beam is the incoming beam in Figure 34.10b,...Ch. 35 - Light passes from a material with index of...Ch. 35 - In photography, lenses in a camera use refraction...Ch. 35 - Prob. 35.5QQ Ch. 35 - In each of the following situations, a wave passes...Ch. 35 - A source emits monochromatic light of wavelength...Ch. 35 - Carbon disulfide (n = 1.63) is poured into a...Ch. 35 - A light wave moves between medium 1 and medium 2....Ch. 35 - What happens to a light wave when it travels from...

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The index of refraction of plastic.

Solution Summary: The author explains that the index of retion of plastic is 1.2.

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The index of refraction of plastic.

The time taken by light ray to pass through the plastic.

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Chapter 35 Solutions