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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.
Related Questions: - The temperature of a body falls from 50⁰C to 40⁰C in 10 minute. If the temperature
- Ohm’s law valid
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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
- The temperature of a body falls from 50⁰C to 40⁰C in 10 minute. If the temperature
- Ohm’s law valid
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
- Two identical thin plano-convex glass lenses (refractive index 1.5) each having
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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