⇦ | ⇨ |
A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ/2. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface of the material is (h=Planck’s constant, c=speed of light)
Options
(a) 2hc/λ
(b) hc/3λ
(c) hc/2λ
(d) hc/λ
Correct Answer:
hc/2λ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- A particle is dropped vertically from rest, from a height.The time taken by it to fall
- Consider a two particle system with particle having masses m₁ and m₂. If the first
- An α-particle and a proton travel with the same velocity in a magnetic field
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- A particle is dropped vertically from rest, from a height.The time taken by it to fall
- Consider a two particle system with particle having masses m₁ and m₂. If the first
- An α-particle and a proton travel with the same velocity in a magnetic field
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