| ⇦ | 
| ⇨ |
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: - The work function of a substance is 4.0 eV. The longest wavelength of light
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- In a thermodynamic system, working substance is ideal gas. Its internal energy
- The mean radius of the earth is R, its angular speed on its own axis is ?
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The work function of a substance is 4.0 eV. The longest wavelength of light
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- In a thermodynamic system, working substance is ideal gas. Its internal energy
- The mean radius of the earth is R, its angular speed on its own axis is ?
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
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