AP EAMCET Medical 2018 Shift 2 Paper

Question : 115 of 160

Marks: +1, -0

A laser pointer of power 3 mW creates a spot of 2 nun diameter on a screen. If the screen reflects 57% of the light that strikes it. the radiation pressure on the screen is____
(speed of light in vacuum = 3 x 108ms−1)