The work function of metals is in the range of 2 eV to 5 eV.

The Work Function Of Metals Is In The Range Of Physics Question

The work function of metals is in the range of 2 eV to 5 eV. Find which of the following wavelength of light cannot be used for photoelectric effect? (Consider, planck constant=4×10⁻¹⁵ eVs, velocity of light =3×10⁸ ms⁻¹)

Options

(a) 510 nm
(b) 650 nm
(c) 400 nm
(d) 570 nm

Correct Answer:

650 nm

Explanation:

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

Related Questions:

  1. When the wavelength of sound changes from 1 m to 1.01 m,
  2. The difference in the lengths of a mean solar day and a sidereal day is about
  3. Acceleration of a particle, executing SHM, at its mean position is
  4. If light emitted from sodium bulb is passed through sodium vapour,
  5. A particle is executing SHM along a straight line. Its velocities at distances

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Your email address will not be published.


*