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प्रश्न
State whether light slows down or speeds up in the following cases :
Light going from air to glass.
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उत्तर
Slows down
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संबंधित प्रश्न
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 the speed of light in (a) air, (b) glass.
State whether light slows down or speeds up in the following cases :
Light going from glass to water.
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.
The speed of light is maximum in ______.
Materials that allow light to pass through completely are known as ______ material.
Define transparent materials.
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.
Light travels a distance of '10x' units in time 't1' in vacuum and it travels a distance of 'x' units in time 't2' in a denser medium. Using this information answer the question that follows:
'Light covers a distance of '20x' units in time 't1' in diamond'. State true or false.
