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A certain metallic surface is illuminated with monochromatic light of wavelength λ. The stopping potential for photoelectric current for this light is 3V₀. If the same surface is illuminated with light of wavelength 2λ, the stopping potential is V₀. The threshold wavelength for this surface for photoelectric effect is
Options
(a) 6λ
(b) 4λ
(c) λ/4
(d) λ/6
Correct Answer:
4λ
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
- An electric dipole of moment ‘p’ is placed in an elecatric field of intensity ‘E’
- An LCR circuit contains resistance of 100 ohm and a supply of 200 volt at 300 radian
- A particle of mass m executes simple harmonic motion with amplitude
- At what temperature will the rms speed of air molecules be double that of NTP?
- Number of electrons in one mC charge, given e=1.6×10⁻¹⁹ C, will be
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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