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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- A body moves with a uniform acceleration a and zero initial velocity
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- The apparent weight of the body of mass 10 kg when it is travelling upwards with
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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
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