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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.
Related Questions: - A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- The work function for metals A,B abd C are respectively 1.92 eV,2.0 eV and 5 eV.
- A long solenoid has 500 turns. When a current of 2 ampere is passed through it
- A point charge is kept at the centre of a metallic insulated spherical shell. Then
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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 bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- The work function for metals A,B abd C are respectively 1.92 eV,2.0 eV and 5 eV.
- A long solenoid has 500 turns. When a current of 2 ampere is passed through it
- A point charge is kept at the centre of a metallic insulated spherical shell. Then
- The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV,
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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