MENU

A photosensitive metallic surface has work function, hν₀. If photons of energy

A Photosensitive Metallic Surface Has Work Function H If Photons Physics Question

A photosensitive metallic surface has work function, hν₀. If photons of energy 2hν₀ fall on this surface, the electrons come out with a maximum velocity of 4×10⁶m/s. When the photon energy is increased to 5hν₀, then maximum velocity of photoelectrons will be

Options

(a) 2×10⁷ m/s
(b) 2×10⁶m/s
(c) 8×10⁶m/s
(d) 8×10⁵m/s

Correct Answer:

8×10⁶m/s

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. In a uniform circular motion,
  2. At what height h above earth, the value of g becomes g/2 (where R=radius of earth)?
  3. A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
  4. The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
  5. A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*