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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
- A disc of radius 0.1 m is rotating with a frequency 10 rev/sec in a normal magnetic
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
- A satellite A of mass m is at a distance r from the centre of earth. Another satellite
- The value of n so that vectors 2i+3j-2k, 5i+nj+k and -i+2j+3k may be coplanar,will be
- Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
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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