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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.
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Topics: Dual Nature of Matter and Radiation
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
- 1 a.m.u. is equivalent to
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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