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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 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
- Laser beams are used to measure long distance because
- C and Si both have same lattice strcture, having 4 bonding electron in each
- Two particles A and B having equal charges, after being accelerated
- The first line in Lyman series has wavelength λ. The wavelength
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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