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Last Updated On 16-03-2023 - By Jeesha Sara

If the total electromagnetic energy falling on a surface is U, then the total momentum delivered (for complete absorption) is

a)

b)

c)

d)


Question ID - 150129 :-

If the total electromagnetic energy falling on a surface is U, then the total momentum delivered (for complete absorption) is

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

If the surface absorbs all the incident energy then the total momentum delivered to the surface is

  (for complete absorption)

If the surface is a perfect reflector, then the total momentum delivered to the surface is

 (for complete reflection)



Next Question :

Light appears to travel in straight lines since

a)

It is not absorbed by the atmosphere

b)

It is reflected by the atmosphere

c)

Its wavelength is very small

d)

Its velocity is very large


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