Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface

Light With An Energy Flux Of 25x10 Wm Falls On Physics Question

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

Options

(a) 1.25 x10⁻⁶ N
(b) 2.50 x10⁻⁶ N
(c) 1.20 x10⁻⁶ N
(d) 3.0 x10⁻⁶ N

Correct Answer:

2.50 x10⁻⁶ N

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
  2. The magnetic field due to a current carrying circular loop of radius 3 cm at a point
  3. A black body radiates 20 W at temperature 227⁰C. It temperature of the black body
  4. Astigmatism is corrected by using
  5. When a wire of uniform cross-section a, length l and resistance R

Topics: Electromagnetic Waves (28)
Subject: Physics (2479)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*