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A light ray passes from water to air, and glass. In each case, state how does the speed of light change. - Physics

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Question

A light ray passes from water to

  1. air, and
  2. glass.

In each case, state how does the speed of light change.

Short/Brief Note
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Solution

  1. When a light beam travels from water to air. There will be an increase in light speed.
  2. A light beam travels slower through glass than it does through water.
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Chapter 4: Refraction of Light at Plane Surfaces - EXERCISE - 4 (A) [Page 81]

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Selina Physics [English] Class 10 ICSE
Chapter 4 Refraction of Light at Plane Surfaces
EXERCISE - 4 (A) | Q 11. | Page 81
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