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The electric potential at the surface of an atomic nucleus (z=50) of radius 9.0×10⁻¹³ cm is
Options
(a) 80 volt
(b) 8×10⁶ volt
(c) 9 volt
(d) 9×10⁵ volt
Correct Answer:
8×10⁶ volt
Explanation:
V = (1 / 4πε₀). q/r
= [9 × 10⁹ × 50 × 1.6 × 10⁻¹⁹] / 9 × 10⁻¹⁵
= 8 × 10⁶ volt
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The magnetic field in a certain region of space is given by B =8.35×10⁻² Î T.
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- For a series L-C-R circuit, the rms values of voltage across various components
- Two coils of self inductance 2 mH and 8 mH are placed so close together
- The electric resistance of a certain wire of iron is R. If its length and radius
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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