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The photoelectric threshold wevelength for potassium (work function being 2 eV) is
Options
(a) 620 nm
(b) 310 nm
(c) 1200 nm
(d) 2100 nm
Correct Answer:
620 nm
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
- The magnetic susceptibility is negative for
- A plane electromagnetic wave of frequency 20 MHz travels through a space along
- A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
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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