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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
Related Questions: - If emf induced in a coil is 2 V by changing the current in it from 8 A to 6 A
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If emf induced in a coil is 2 V by changing the current in it from 8 A to 6 A
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
- The damping force on an oscillator is directly proportional to the velocity.
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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