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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
Select the correct alternative
The speed of light is maximum in
State the speed of light in (a) air, (b) glass.
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.
Objects that allow light to pass through partially are called ______ material.
Define opaque material.
The speed of light decreases in a denser medium, light bends towards the normal.
Higher-Order Thinking Skills:
M = 2.42 for diamond. What is the meaning of this statement in relation to the speed of light?
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.
