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Question
Fill in the blanks to complete the following sentence
When light travels from a denser to a rarer medium, its speed ……………….
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Solution
When light travels from a denser to a rarer medium, its speed increases
RELATED QUESTIONS
Write a short note on dispersion of light.
Why is the ratio of the velocities of light of wavelengths 4000Å and 8000Å in vacuum 1: 1?
A ray of light passes from glass into air. The angle of refraction will be:
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(d) 45°
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A ray of light PQ is incident normally on the hypotenuse of a right-angled prism ABC as shown in the diagram given below:
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(iii) Name an instrument where this action of the prism is used.
Consider these indices of refraction: glass: 1.52; air: 1.0003; water: 1.333. Based on the refractive indices of three materials, arrange the speed of light through them in decreasing order.
