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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.
Related Questions: - A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- A resistor 30Ω, inductor of reactance 10 Ω and capacitor of reactance 10 Ω
- Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
- The physical quantity which does not have the same dimensions as the other three is
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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 sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- A resistor 30Ω, inductor of reactance 10 Ω and capacitor of reactance 10 Ω
- Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
- The physical quantity which does not have the same dimensions as the other three is
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
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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