Question

1.
(1
as shown
3
A perfectly reflecting mirror of mass m and exposed
radiation of intensity I on a rough horizontal surface
surface area A is exposed to electromagnetic
with friction co-efficient p =
The minimum value of pulling force required to exert
1
m
mg
on mirror to move the mirror is
2.
4.
I
5.
The value of
mgo
(where c is speed of light) is
IA​

Answer 1

Answer:

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