| ⇦ |
| ⇨ |
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: - The oscillation of a body on a smooth horizontal surface is represented by the equation
- An aeroplane flies 400m due to North and then 300m due to south and then flies
- If v is the speed of sound in air, then the shortest length of the closed pipe
- The potential energy of a simple harmonic oscillator when the particle is half way
- If the sodium light in Young’s double slit experiment is replaced by red light
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The oscillation of a body on a smooth horizontal surface is represented by the equation
- An aeroplane flies 400m due to North and then 300m due to south and then flies
- If v is the speed of sound in air, then the shortest length of the closed pipe
- The potential energy of a simple harmonic oscillator when the particle is half way
- If the sodium light in Young’s double slit experiment is replaced by red light
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