| ⇦ | 
| ⇨ |
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: - Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁
- If threshold wevelength for sodium is 6800 Å, the work function will be
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- A parallel plate air capacitor has capacity C, distance of seperation between plate
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁
- If threshold wevelength for sodium is 6800 Å, the work function will be
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- A parallel plate air capacitor has capacity C, distance of seperation between plate
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