A light beam of intensity 
is incident normally on a perfectly reflecting surface of sides 25 
. The momentum imparted to the surface by the light per second is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For perfectly reflecting surface, Radiation pressure, 
∴ Momentum imparted per second is force, which is given by
.
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
Read the given statements. (I) The average composition of living cell is water , proteins , carb…
GnRH (Gonadotrophin Releasing Hormone) released from hypothalamus acts on to release gonadotrophin…
Match the following columns and select the correct option.
Column IColumn II(A)Cell body with one a…
The negative pressure in lungs causes inspiration. The negative pressure develops when
Match the following and select the correct option.
List IList II(I)Squamous epithelium(A)Bone(II)De…
Changes in GnRH pulse frequency in females is controlled by circulating levels of