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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: - Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
- Velocities of sound measured in hydrogen and oxygen gas at a given temperature
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
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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
- Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
- Velocities of sound measured in hydrogen and oxygen gas at a given temperature
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- The unit of surface tension is
- A particle of mass M is suited at the centre of a spherical shell of same mass and radius
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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