If the total electromagnetic energy falling on a surface is U, then the total momentum delivered (for complete absorption) is
a)
b)
c)
d)
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 | SaraNextGen Top Answer
If the total electromagnetic energy falling on a surface is U, then the total momentum delivered (for complete absorption) is
a)
b)
c)
d)
|
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
127 votes
Answer Key / Explanation : (a) -
|
(a) If the surface absorbs all the incident energy then the total momentum delivered to the surface is
If the surface is a perfect reflector, then the total momentum delivered to the surface is
|
(for complete absorption)
(for complete reflection)127 votes
Answer Link
127