| ⇦ | 
| ⇨ |
When a piece of metal is illuminated by a monochromatic light of wavelength λ, then stopping potential is 3Vs. When same surface is illuminated by light of wavelength 2λ, then stopping potential becomes Vs. The value of threshold wavelength for photoelectric emission will be
Options
(a) (4λ)/3
(b) 6λ
(c) 4λ
(d) 8λ
Correct Answer:
4λ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
- The angle of incidence for a ray of light at a refracting surface of a prism is 45⁰.
- The time period of a simple pendulum in a lift descending with constant acceleration g is
- An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
- The angle of incidence for a ray of light at a refracting surface of a prism is 45⁰.
- The time period of a simple pendulum in a lift descending with constant acceleration g is
- An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
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