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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
- The electric field at a distance 3R / 2 from the centre of a charged conducting
- A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height
- A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity
- A ray of light passes from a medium A having refractive index 1.6 to the medium
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
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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