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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 dust packet is dropped from 5th storey of a multi-storeyed building
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- The electric field at a distance 3R / 2 from the centre of a charged conducting
- An ideal gas expands in such a manner that its pressure and volume can be related
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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