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Sodium and copper have work function 2.3 eV and 4.5 eV respectively. The ratio of their threshold wavelengths is nearest to
Options
(a) 1 : 2
(b) 4 : 1
(c) 2 : 1
(d) 1 : 4
Correct Answer:
2 : 1
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A particle is moving such that its position coordinates (x,y) are (2 m,3 m) at time
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle is moving such that its position coordinates (x,y) are (2 m,3 m) at time
- Which of the following is not a thermodynamical coordinate?
- Two tuning forks are sounded together and produce 2 beats per second.
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
- A beam of light consisting of red, green and blue colours is incident on a right
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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