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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
- In Bohr model of hydrogen atom, the force on the electron depends on the principal
- A parallel plate air capacitor is charged to a potential difference of V volts.
- A tyre filled with air (27° C and 2 atm) bursts. The temperature of air is (ˠ=1.5)
- What is the dimension of impedance?
- In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
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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