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The time by a photoelectron to come out after the photon strikes is approximately
Options
(a) 10⁻¹ s
(b) 10⁻⁴ s
(c) 10⁻¹⁰ s
(d) 10⁻¹⁶s
Correct Answer:
10⁻¹⁰ s
Explanation:
Emission of photo-electron starts from the surface after incidence of photons in about 10⁻¹⁰ sec.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A radioactive substance has a half-life of four months. Three-fourth of substance
- If the angle of minimum deviation is 60° for an equilateral prism, then the refractive
- A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
- A current is flowing through resistance. A potential difference of 120 V
- If in a nuclear fusion process, the masses of the fusing nuclei be m₁ and m₂
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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