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When a piece of metal is illuminated by a monochromatic light of wavelength λ, then stopping potential is 3Vs. When same surface is illuminated by light of wavelength 2λ, then stopping potential becomes Vs. The value of threshold wavelength for photoelectric emission will be
Options
(a) (4λ)/3
(b) 6λ
(c) 4λ
(d) 8λ
Correct Answer:
4λ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Magnetism of a magnet is due to
- The distance travelled by an object along a straight line in time t is given by
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
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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
- Magnetism of a magnet is due to
- The distance travelled by an object along a straight line in time t is given by
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
- A mass m moves in a circle on a smooth horizontal plane with velocity v₀
- An electron is moving in a circular path under the influence of a transverse magnetic
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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