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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.
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A potentiometer circuit has been set up for finding the internal resistance of a given
- A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity
- If A=3i+4j and B=7i+24j the vector having the same magnitude as B and parallel to A is
- A glass flask weighing 390 g having internal volume 500 cc just floats
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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