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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: - An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
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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
- An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
- The phase difference between the flux linked with a coil rotating in a uniform
- Which one of the following is not due to total internal reflection?
- Wavefront is the locus of all points, where the particles of the medium
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
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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