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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.
Related Questions: - If the feedback voltage is increased in a negative feedback amplifier, then
- The threshold frequency for a photosensitive metal is 3.3 x 10¹⁴ Hz.
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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
- If the feedback voltage is increased in a negative feedback amplifier, then
- The threshold frequency for a photosensitive metal is 3.3 x 10¹⁴ Hz.
- If Q, E and W denote respectively the heat added, change in internal energy
- A thermodynamic system undergoes cyclic process ABCDA as shown in figure
- A ball moving with velocity 2 m/s collides head on with another stationary ball
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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