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प्रश्न
Write true or false of the following statement.
The speed of light in vacuum is 3 × 108 ms-1.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
State the speed of light in (a) air, (b) glass.
State whether light slows down or speeds up in the following cases :
Light going from air to glass.
An obliquely incident light ray bends at the surface due to a change in speed when passing from one medium to another. The ray does not bend when it is incident normally. Will the ray have a different speed in the other medium?
The speed of light is maximum in ______.
What is the speed of light in vacuum?
Light travels ______ kilometers per second in air or vacuum. In theory, nothing can travel faster than light.
Materials that are not able to allow light to pass through, are called ______ material.
Define opaque material.
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.
Higher-Order Thinking Skills:
M = 2.42 for diamond. What is the meaning of this statement in relation to the speed of light?
