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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
(150)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A gaussian sphere encloses an electric dipole within it. The total flux
- A ray of light is incident on a transparent glass slab of refractive index 1.62
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- A susceptibility of a certain magnetic material is 400. What is the class
- A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance
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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