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When a light beam of frequency v is incident on a metal surface, photoelectrons are emitted. If these electrons describe a circle of radius r in a magnetic field of strength B, then the work function of the metal is
Options
(a) hν+Ber/2mₑ
(b) hν-(Ber)²/2mₑ
(c) hν+(Ber)²/2mₑ
(d) hν-Ber/2mₑ
Correct Answer:
hν-(Ber)²/2mₑ
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
- X-ray beam can be deflected by
- An ideal black body is equivalent to
- Resistances n, each r Ω, when connected in parallel give an equivalent resistance
- The time period of a simple pendulum in a lift descending with constant acceleration g is
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
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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