Advertisements
Advertisements
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?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
State whether light slows down or speeds up in the following cases :
Light going from glass to water.
State whether light slows down or speeds up in the following cases :
Light going from water to air.
When light travels from a denser to a rarer medium, its speed ______.
Compare the speeds of light of wavelength 4000 Å (i.e. violet light) and 8000 Å (i.e. red light) in vacuum.
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.
Objects that allow light to pass through partially are called ______ material.
Materials that are not able to allow light to pass through, are called ______ 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.
