Light with an energy flux of 
falls on a perfectly reflecting surface at normal incidence. If the surface area is 15 
, the average force exerted on the surface is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Here, Energy flux, 
Area, 
Speed of light, 
For a perfectly reflecting surface, the average force exerted on the surface is
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The condition under which a microwave oven heats up a food item containing water molecules most eff…
The electric field associated with an em wave in vacuum is given by where and are in volt/m, met…
The ratio of amplitude of magnetic field to the amplitude of electric field for an electromagnetic …
The electric and the magnetic field, associated with an . wave, propagating along the ‐axis, can …
The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is
The velocity of electromagnetic radiation in a medium of permittivity and permeability is given by