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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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- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
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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
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
- For a given velocity, a projectile has the same range R for two angles of projection.
- A body of mass 3 kg is under a constant force which cause a displacement
- Calculate power output of ₉₂²³⁵U reactor, if it takes 30 days to use up 2 kg of fuel,
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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