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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
- Heat is supplied at constant pressure to diatomic gas. The part of this heat that goes
- A person can see clearly objects only when they lie between 50 cm and 400 cm from
- Two thin dielectric slabs of dielectric constants K₁ and K₂, (K₁ < K₂) are inserted
- When a piece of metal is illuminated by a monochromatic light of wavelength λ,
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
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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