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When radiation is incident on a photoelectron emitter, the stopping potential is found to be 9 volt. If e/m for the electron is 1.8×10¹¹ Ckg⁻¹, the maximum velocity of the ejected electrons is
Options
(a) 6×10⁵ ms⁻¹
(b) 1.8×10⁵ ms⁻¹
(c) 8×10⁵ ms⁻¹
(d) 1.8×10⁶ ms⁻¹
Correct Answer:
1.8×10⁶ ms⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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
- At place on earth, the vertical component of earth’s magnetic field is √3 times
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- If the velocity of sound in air is 350 m/s, thent he fundamental frequency
- A light of wavelength 5000Å falls on a sensitive plate with photoelectric work
- Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
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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