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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
- If (range)² is 48 times (maximum height)², then angle of projection is
- The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- The value of Poisson’s ratio lies between
- A force F=ai+3j+6k is acting at a point r=2i-6j-12k. The value of α for
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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