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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 angle between the vectors (i+j) and (j+k) is
- A circular disc of radius R is removed from a bigger circular disc of radius 2R
- Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
- The numebr 0 (zero) is required for
- When a ball is thrown up vertically with velocity vₒ,it reaches a maximum height
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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