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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the reaction ₁²H+₁³H+₂⁴He+₀¹n, if the binding energies of ₁²H,₁³H and ₂⁴He
- A carbon film resistor has colour code green, black, violet, gold. The value
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A solid cylinder of mass 50kg and radius 0.5 m is, free to rotate about the horizontal axis
- The surface temperature of the sun which has maximum energy
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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