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Two electrons are separated by a distance of 1Å. What is the coulomb force between them?
Options
(a) 2.3×10⁻⁸ N
(b) 4.6×10⁻⁸ N
(c) 1.5×10⁻⁸ N
(d) None of these
Correct Answer:
2.3×10⁻⁸ N
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle moves in a circle of radius 5 cm with constant speed and time period
- Electric field intensity at a point in between two parallel sheets due to like
- The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively
- The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11 A
- A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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1 angstrom = 10^-10 metre.
Also,electron charge=1.6 X 10^-19
F=1/4π€.(q1 X q2)/r^2
thus,
F=(9X10^9) X (1.6X10^-19)^2/(10^-10 X 10^-10)
Hence,F = 23.04 X 10^-9
Implies,F = 2.3 X 10^-8 N