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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: - The area of cross-section of one limb of an U-tube is twice that of the other.
- Zenor breakdown in a semiconductor diode occurs when
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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.
- Zenor breakdown in a semiconductor diode occurs when
- A 50Hz AC signal is applied in a circuit of inductance of (1/π)H and resistance 2100Ω
- Electrical force is acting between two charges kept in vacuum. A copper plate
- Water falls from a height of 60m at the rate of 15 kg/s to operate a turbine
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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