| ⇦ | 
| ⇨ |
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: - A long horizontal rod has a bead which can slide long its length
- The electron drift speed is small and the change of the electron is also small
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
- A ray of light is incident on a transparent glass slab of refractive index 1.62
Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A long horizontal rod has a bead which can slide long its length
- The electron drift speed is small and the change of the electron is also small
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
- A ray of light is incident on a transparent glass slab of refractive index 1.62
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.
Share this page with your friends
Leave a Reply