Questions
Radiation pressure on any surface
a
is dependent on wavelength of the light used
b
is dependent on nature of surface and intensity of light used
c
is dependent on frequency and nature of surface
d
dependent on the nature of surface from which light is coming and on nature of surface on which it is falling
detailed solution
Correct option is B
The radiation pressure is IC1+r where I is intensity of radiation C is velocity of light and r is coefficient of reflection (which depends on type of surface).Talk to our academic expert!
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A plane em wave of wave intensity of 10 W/m2 strikes a small mirror of area 20 cm2, held perpendicular to the approaching wave. The radiation force on the mirror will be
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