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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 capacitor is used to store 24 watt hour of energy at 1200 volt.
- A wire of resistance 4 ohm is stretched to twice its original length.
- The name of ions knocked out from the hot surface is
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
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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 capacitor is used to store 24 watt hour of energy at 1200 volt.
- A wire of resistance 4 ohm is stretched to twice its original length.
- The name of ions knocked out from the hot surface is
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- The ratio of the radii or gyration of a circular disc to that of a circular ring
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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