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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 refracting angle of a prism is A and refractive index of the material of the prism
- A point charge is kept at the centre of a metallic insulated spherical shell. Then
- A juggler maintains four balls in motion,making each of them to rise
- Element ²³⁴U has 92 protons and 234 nucleons in its nucleus. It decays by
- The wavelength of X-rays is in the range
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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