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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
- The area of cross-section of one limb of an U-tube is twice that of the other.
- A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
- The current in the coil of inductance 5H decreases at the rate of 2 A/s
- A thin circular ring of mass M and radius R rotates about an axis through its centre
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
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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