| ⇦ | 
| ⇨ |
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: - Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- A coin placed on a rotating turn table just slips,if it is placed at a distance
- A resistance of 20 ohm is connected to a source of an alternating potential V
- If h is planck’s constant and λ is wavelength, h/λ has dimensions of
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- A coin placed on a rotating turn table just slips,if it is placed at a distance
- A resistance of 20 ohm is connected to a source of an alternating potential V
- If h is planck’s constant and λ is wavelength, h/λ has dimensions of
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