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प्रश्न
State the speed of light in (a) air, (b) glass.
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उत्तर
(a) Air — 3 × 108
(b) Glass — 2 × 108
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संबंधित प्रश्न
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 glass to water.
The speed of light is maximum in ______.
What is the speed of light in vacuum?
Higher Order Thinking Skills.
Light ray emerges from water into air. Draw a ray diagram indicating the change in its path in water.
Materials that allow light to pass through completely are known as ______ material.
Materials that allow light to pass through completely are known as transparent materials.
Define opaque material.
The speed of light decreases in a denser medium, light bends towards the normal.
Two medium with a refractive index of 1.31 & 1.50 is given. In which case
- The bending of light is more and
- speed of light is more.
