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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
- A bar magnet has a coercivity of 4×10³ Am⁻¹. It is placed inside a solenoid
- The ratio of specific charge of an α-particle to that of a proton is
- In the equation y=asin(?t+kx),the dimensionals formula of ? is
- The dimensions of pressure are equal to those of
- Pure Si at 500 K has equal number of electron (nₑ) and hole (nₕ) concentrations
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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