When light travels from a denser to a rarer medium, its speed ______.

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When light travels from a denser to a rarer medium, its speed increases.

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Chapter 4 Refraction of Light at Plane Surfaces
EXERCISE - 4 (A) | Q 29. (b) | Page 82

Write true or false of the following statement.

The speed of light in vacuum is 3 × 10⁸ ms^-1.

Select the correct alternative

The speed of light is maximum in

State whether light slows down or speeds up in the following cases :

Light going from water to air.

The speed of light in air is 3 × 10⁸ m s^-1. Calculate the speed of light in glass. The refractive index of glass is 1.5.

What is the speed of light in vacuum?

Higher Order Thinking Skill.

What do you conclude about the speed of light in diamond. if the refractive index of diamond is 2.41?

Materials that allow light to pass through completely are known as ______ material.

The speed of light decreases in a denser medium, light bends towards the normal.

Light is one of the slowest traveling energy with a speed of 3 × 10^-8ms^-1

Two medium with a refractive index of 1.31 & 1.50 is given. In which case