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A total charge of 5µC is distributed uniformly on the surface of the thin walled semispherical cup. If the electric field strength at the centre of the hemisphere is 9×10⁸NC⁻¹, then the radius of the cup is
{1/4πε₀=9×10⁹N-m²C⁻²}
Options
(a) 5mm
(b) 10mm
(c) 5cm
(d) 10cm
Correct Answer:
5mm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Find the right condition(s) for Fraunhofer diffraction due to a single slit.
- A particle moving along a straight line OX.At a time (in second ) the distance
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
- A parallel plate capacitor as a uniform electric field E in the space between the plates
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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