| ⇦ | 
| ⇨ |
When a metallic surface is illuminated with radiation of wavelength λ, the stopping potential is V. If the same surface is illuminating with radiation of wavelength 2λ, the stopping potential is V/4. The threshold wavelength for the metallic surface is
Options
(a) 5λ
(b) 5/2 λ
(c) 3λ
(d) 4λ
Correct Answer:
3λ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A parallel plate air capacitor is connected to battery. After charging fully
- Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ
- Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
- A layer of colourless oil spreads on water surface. White light is incident on it
- Two waves represented by following equations are travelling in same medium
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A parallel plate air capacitor is connected to battery. After charging fully
- Two rigid bodies A and B rotate with rotational kinetic energies Eᴀ and Eʙ
- Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
- A layer of colourless oil spreads on water surface. White light is incident on it
- Two waves represented by following equations are travelling in same medium
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