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The work function of metals is in the range of 2 eV to 5 eV. Find which of the following wavelength of light cannot be used for photoelectric effect? (Consider, planck constant=4×10⁻¹⁵ eVs, velocity of light =3×10⁸ ms⁻¹)
Options
(a) 510 nm
(b) 650 nm
(c) 400 nm
(d) 570 nm
Correct Answer:
650 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 source of sound and a detector are moving along the same line with same speed
- Wires A and B are made from the same material. A has twice the diameter and three times
- A ball rolls without slipping. The raidus of gyration of the ball about an axis
- A piece of iron is heated in a flame. It first comes dull red then becomes reddish
- In a P-N junction
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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