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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: - For principal quantum number n=3, the possible values of orbital quantum number
- Which of the following substances has the highest elasticity?
- The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV,
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- The momentum is most closely related to
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For principal quantum number n=3, the possible values of orbital quantum number
- Which of the following substances has the highest elasticity?
- The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV,
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- The momentum is most closely related to
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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