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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
- 10 mA current can pass through a galvanometer of resistance 25 ohm.
- In a double slit experiment, the two slits are 1mm apart and the screen is placed 1 m
- An alternating voltage given as, V=100√2 sin100t V is applied to a capacitor
- A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction
- A sound source is moving towards a stationary listener with 1/10th of the speed
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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