| ⇦ |
| ⇨ |
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: - When 10¹⁹elecrons are removed from a neutral metal plate through some process,
- A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- If the series limit of Lyman series for hydrogen atom is equal to the series limit
- A particle starts its motion from rest under the action of a constant force
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When 10¹⁹elecrons are removed from a neutral metal plate through some process,
- A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- If the series limit of Lyman series for hydrogen atom is equal to the series limit
- A particle starts its motion from rest under the action of a constant force
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