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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
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The order of radius of the nucleus of an atom is
- The ratio of amplitude of magnetic field to the amplitude of electric field for
- A transformer having efficiency of 90% is working on 200 V and 3kW power supply
- A condenser of capacity C is charged to a potential difference of V₁. The plates
- Two bodies A(of mass 1kg) and B(of mass 3 kg) are dropped from heights of 16m and 25m
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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