NEET Questions Solved

NEET - 2014

Light with an energy flux of 25 x 104 Wm-2 falls on a perfectly reflecting surface at normal incidence. If the surface area is 15cm2 the average force exerted on the surface is





Concept Videos :-

Concept Questions :-

Particle nature of light

Energy flux=25x104/sm2

Force on unit area= momentum transferred in unit time on area=25x104/C


Force on the 15x10-4m2 area 



Difficulty Level:

  • 31%
  • 41%
  • 22%
  • 9%
Crack NEET with Online Course - Free Trial (Offer Valid Till September 23, 2019)