if the velocity of light in a medium is 2*10 m/s,what will be the refractive index of that medium ?
aaruslrpcha:
it's a numerical..plz solve it
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Velocity of light in given medium (v) = 20 m/s
Velocity of light in vacuum (v0) = 3 × 10^8 m/s
Thus, Refractive Index of Medium =
R = v / v0
= 20 / (3 × 10^8)
R = 6.67 × 10^-8.............●
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Hope it was helpful.
Velocity of light in vacuum (v0) = 3 × 10^8 m/s
Thus, Refractive Index of Medium =
R = v / v0
= 20 / (3 × 10^8)
R = 6.67 × 10^-8.............●
●●●●●●●●●●●●●●●●●●●●
Hope it was helpful.
answer
I have given.
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Answer:
Explanation:When an object falls freely towards the ground, its potential energy decreases and kinetic energy increases.
As the object touches the ground, all its potential energy gets converted into kinetic energy.
As the object hits the hard ground, all its kinetic energy gets converted into heat energy and sound energy.
It can also deform the ground depending upon the nature of the ground and the amount of kinetic energy possessed by the object.
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