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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
- Two bodies of mass 0.25 kg each moving towards each other with velocity
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- A thin and circular disc of mass M and radius R is rotating in a horizontal plane
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
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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