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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
- A p-n photodiode is made of a material with a band gap of 2.0 eV
- A parallel beam of light of wavelength λ is incident normally on a narrow slit
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
- If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
- A hollow sphere of radius 0.1m has a charge of 5×10⁻⁸C. The potential
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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