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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
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The nuclear fusion reaction between deutrium and tritium takes place
- Consider two concentric spherical metal shells of radii r₁ and r₂( r₂>r₁). If the outer
- The escape velocity of a body on an imaginary planet which is thrice the radius
- If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
- Two tuning forks are sounded together and produce 2 beats per second.
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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