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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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a body is rolling on the surface, its total energy will be
- ln a surrounding medium of temperature 10⁰C a body takes 7 min for a fall
- A capacitor having a capacity of 2 μF is charged to 200V and then the plates
- A common emitter amplifier gives an output of 3 V for an input of 0.01 V.
- Given A=4i+6j and B=2i+3j. Which of the following is correct?
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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