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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
- For the normal eye, the cornea of eye provides a converging power of 40D
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- Alternating current is transmitted to distant places at
- Nuclear fission is not found in
- Calculate the focal length of a reading glass of a person, if the distance
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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