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If threshold wevelength for sodium is 6800 Å, the work function will be
Options
(a) 1.8 eV
(b) 2.5 eV
(c) 0.14 eV
(d) 1.4 eV
Correct Answer:
1.8 eV
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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
- If an electron and a positron annihilate, the energy released is
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- Under the action of a force F=cx, the position of a body changes from 0 to x.The work done
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- An alternating emf given by equation e=300 sin[(100 π)t] V
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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