Effects of Refraction of Light in Everyday Life

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Effects of Refraction of Light in Everyday Life: Overview

This Topic covers sub-topics such as Mirage, Mirage Formation, Refraction through a Rectangular Glass Slab, Delayed Sunset, Advanced Sunrise, Apparent Depth Due to Refraction, Apparent Shift Due to Refraction and, Phenomena Related to Refraction of Light

Important Questions on Effects of Refraction of Light in Everyday Life

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Can mirage be captured using camera. Explain.

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On the basis of refraction of light, explain the following natural events:

(a) Advanced sunrise and delayed sunset

(b) Mirage

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Explain the refraction of light through a rectangular glass slab with the help of a diagram. Prove that the incident ray and the emergent ray of light are parallel to each other in refraction of light through a rectangular glass slab with the help of an experiment.

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What is the principle of refraction?

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What is the apparent shift?

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In an experiment to trace the path of ray through a glass slab, Shiva traced as shown in the figure. Out of AB, BC and CD, _____ is the emergent ray.

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A ray of light while travelling from medium A to B, deviates away from the normal. The speed of light in:

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Refraction is the phenomenon of bending of the ray of light when it passes from one medium to the another with different optical density.

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A laser beam enters from air to soap solution in water then _____.

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Observe the given figure and answer the following question:

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Name the process represented by the figure.

(Choose from Refraction/ Reflection)

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When the two _____ of a glass slab are parallel to each other, the emergent ray is parallel to the incident ray.

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The perpendicular distance between the original path of the incident ray and the emergent ray coming out of a glass slab is called _____.

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Explain the refraction of light rays from glass slab with a pictorial diagram.

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A light ray entering the water medium from the air bends _____ (towards/ away from) the normal.

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When a ray of light enters a rarer medium from a denser medium, it bends

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Due to atmospheric refraction the sun rise is advanced by _____minutes.

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A ray of light is traveling through one medium into another medium; the ray is incident at an angle of 30ο and is refracted at an angle of 45ο. What is the angle of deviation? Also, state which medium is denser out of the two? 

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Why does a pencil appear to be bent at the surface of separation when placed in water? Explain.