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The electrons are emitted in the photoelectric effect from a metal surface
Options
(a) Only if the temperature of the surface is high
(b) with a maximum velocity proportional to the frequency of the incident radiation
(c) only if the frequency of the incident radiation is above a certain threshold value
(d) at a rate that is independent of the nature of the metal
Correct Answer:
only if the frequency of the incident radiation is above a certain threshold value
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 the force exerted by an electric dipole on a charge q at a distance of 1 m is F
- Two discs of moment of inertia l₁ and I₂ and angular speeds
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
- The electric field part of an electromagnetic wave in a medium is represented by
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
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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