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प्रश्न
Higher Order Thinking Skill.
What do you conclude about the speed of light in diamond. if the refractive index of diamond is 2.41?
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उत्तर
µ = 2.41; Ca = 3 × 108ms [Velocity of light]
µ = `"Speed of light in air"/"Speed of light in diamond "=" C"_"a"/"C"_d"`
Cd =`"C"_"a"/"µ"= (3 xx 10^8)/2.41 `= 1. 245 × 108 m/s
∴ Speed of light decreases when the light ray travels from air to diamond.
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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.
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.
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.
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.
Objects that allow light to pass through partially are called ______ material.
Define transparent materials.
Higher-Order Thinking Skills:
M = 2.42 for diamond. What is the meaning of this statement in relation to the speed of light?
