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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If seperation between screen and source is increased by 2%. What would be the effect
- The de-Broglie wavelength of an electron moving with a velocity 1.5×10⁸ ms⁻¹ is equal
- A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden
- Dimensional formula of magnetic field in terms of mass M, length L
- A black hole is an object whose gravitational field is so strong that even light
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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