| ⇦ | 
| ⇨ |
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: - Electromagnets are made of soft iron because soft iron has
- The distance travelled by a particle starting from rest and moving with an acceleration
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
- A steady current is passing through a linear conductor of non-uniform cross-section.
- A gramophone record is revolving with an angular velocity ?. A coin is placed at
Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electromagnets are made of soft iron because soft iron has
- The distance travelled by a particle starting from rest and moving with an acceleration
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
- A steady current is passing through a linear conductor of non-uniform cross-section.
- A gramophone record is revolving with an angular velocity ?. A coin is placed at
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