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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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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- Which of the following transitions will have highest emission wavelength?
- A person has a minimum distance of distinct vision as 50 cm. The power of lenses
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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