A ray of light from water to air is incident on the interface between the two media. If the ray strikes the interface at an angle greater than the critical angle, the ray (A) is bent away from the normal as it travels into air. (B) is bent toward the normal as it travels into air. (C) leaves the interface along the normal. (D) is reflected back into the water.

A ray of light from water to air is incident on the interface between the two media. If the ray strikes the interface at an angle greater than the critical angle, the ray (A) is bent away from the normal as it travels into air. (B) is bent toward the normal as it travels into air. (C) leaves the interface along the normal. (D) is reflected back into the water.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 16P

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

A ray of light from water to air is incident on the interface between the two media. If the ray strikes the interface at an angle greater than the critical angle, the ray

(A) is bent away from the normal as it travels into air.

(B) is bent toward the normal as it travels into air.

(D) is reflected back into the water.

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