⇦ | ![]() | ⇨ |
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:
- A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
- The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index
- If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit
- If the image formed by a convex mirror of focal length 30 cm is a quarter of the size
- The displacement of a particle along the x-axis is given by x = a sin² ?t
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