| ⇦ | 
| ⇨ |
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: - To demonstrate the phenomenon of interference, we require two sources which emit
- For the normal eye, the cornea of eye provides a converging power of 40D
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- The horizontal range of a projectile is 4√3 times the maximum height achieved
- The potential energy of a 1 kg particle free to move along the x-axis is given by
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- To demonstrate the phenomenon of interference, we require two sources which emit
- For the normal eye, the cornea of eye provides a converging power of 40D
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- The horizontal range of a projectile is 4√3 times the maximum height achieved
- The potential energy of a 1 kg particle free to move along the x-axis is given by
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