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प्रश्न
The speed of light is maximum in ______.
विकल्प
vacuum
glass
diamond
उत्तर
The speed of light is maximum in vacuum
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संबंधित प्रश्न
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
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?
Light travels ______ kilometers per second in air or vacuum. In theory, nothing can travel faster than light.
Materials that allow light to pass through completely are known as ______ material.
Materials that are not able to allow light to pass through, are called ______ material.
Define transparent materials. Give example.
Define opaque material. Give example.
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.
