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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: - In the phenomenon of electric discharge through gases at low pressure,
- Dimensions [ML⁻¹T⁻¹] are related with
- The identical loops of copper and aluminium are moving with the same speed
- The coherence of two light sources means that the light waves emitted have
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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
- In the phenomenon of electric discharge through gases at low pressure,
- Dimensions [ML⁻¹T⁻¹] are related with
- The identical loops of copper and aluminium are moving with the same speed
- The coherence of two light sources means that the light waves emitted have
- A block of mass m is placed on a smooth wedge of inclination θ
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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