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A photosensitive metallic surface has work function, hν₀. If photons of energy 2hν₀ fall on this surface, the electrons come out with a maximum velocity of 4×10⁶m/s. When the photon energy is increased to 5hν₀, then maximum velocity of photoelectrons will be
Options
(a) 2×10⁷ m/s
(b) 2×10⁶m/s
(c) 8×10⁶m/s
(d) 8×10⁵m/s
Correct Answer:
8×10⁶m/s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For non-conductors, the energy gap is
- In common base circuit of a transistor, current amplification factor is 0.95.
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
- The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- Two particles A and B having equal charges +6C, after being accelerated
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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