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CBSE 12th Standard Physics Subject Electrostatic Potential And Capacitance HOT Questions 1 Mark Questions 2021

Published on: 27/05/2021

QB365 Provides the HOT Question Papers for Class 12 Physics, and also provide the detail solution for each and every HOT Questions. HOT Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams

Download CBSE Class 12th Standard CBSE Physics question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Physics

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Std: 12th Standard CBSE - Physics

chapter: - HOT Questions

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Questions:

Generic 2

5 x 2 = 10

Quarks are the building blocks of nucleons and possess fractional electronic charge. Does this discovery violate the principle of quantization of charge?

Does the charge outside the Gaussian surface contribute to total electric flux?

What is the solid angle subtended by a hemisphere at a point inside it?

What is the net charge on a charged capacitor?

Do electrons tend to go to regions of high potential or low potential?

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Answers Key:

Generic 2

5 x 2 = 10

If the quarks are detected in any experiment with concrete practical evidence, then the minimum value of quantum of charge will be either \(\frac { 1 }{ 3 } e or \frac { 2 }{ 3 } e \). However, the law of quantisation will hold good.

No, the charge outside the Gaussian surface does not contribute to total electric flux.

Soild angle, \(\omega \) = \(\frac { S\cos { \theta } }{ { { r }^{ 2 } } } \)
Here, \(S = 2\pi { r }^{ 2 }, \theta = 0^{o} \)
\(\omega\) = \(\frac { 2\pi { r }^{ 2 }\times 1 }{ { { r }^{ 2 } } } \)
\( = 2\pi\) steradian.