A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.

A And B Are Two Metals With Threshold Frequencies 18 Physics Question

A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz. Two identical photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6 x 10³⁴ Js)

Options

(a) B alone
(b) A alone
(c) neither A nor B
(d) both A and B

Correct Answer:

A alone

Explanation:

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

Related Questions:

  1. A wire in the form of a circular loop of one turn, carrying a current, produces
  2. In the experiment for determination of velocity of sound in air,
  3. The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
  4. A satellite S is moving in an elliptical orbit around the earth. The mass
  5. The temperature coefficient of a resistance wire is 0.00125 per degree.

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Your email address will not be published.


*