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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
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- In a given reaction, ᴢXᴬ → ᴢ+1Yᴬ → ᴢ-1Kᴬ⁻⁴ → ᴢ-1Kᴬ⁻⁴
- A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
- Two capacitors of capacitances 2 μF and 3 μF are joined in series.
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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