| ⇦ | 
| ⇨ |
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.
Related Questions: - A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
- Two resistances 3Ω and 6Ω are connected in parallel
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
- When npn transistor is used as an amplifier
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
- Two resistances 3Ω and 6Ω are connected in parallel
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
- When npn transistor is used as an amplifier
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply