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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
- A certain number of spherical dropes of a liquid of radius r coalesce to form a single
- If the density of earth is doubled keeping its radius constant then acceleration
- Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
- The moment of inertia of a rod about an axis through its centre and perpendicular
- A astronomical telescope has objective and eye-piece of focal lengths
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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