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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 Carnot engine A and B are operated in series. The engine A receives
- A particle moves a distance x in time but according to equation x=(t+5)⁻¹
- If F⃗ is the force acting on a particle having position vector r⃗ and ? ⃗ be the torque
- A 70 kg man stands in contact against the inner wall of a hollow cylindrical drum
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
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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