⇦ | ⇨ |
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: - Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
- The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance
- A gas is suddenly expanded such that its final volume becomes 3 times
- The sum of the magnitudes of two forces acting at a point is 16 N
- A heavy stone hanging from a massless string of length 15 m is projected
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
- The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance
- A gas is suddenly expanded such that its final volume becomes 3 times
- The sum of the magnitudes of two forces acting at a point is 16 N
- A heavy stone hanging from a massless string of length 15 m is projected
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