JEE Advanced 2021 Full Test 4 Paper 2

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SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to the SECOND DECIMAL PLACE; e.g. XXXXX. XX).
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Question : 13 of 54
 
Marks: +1, -0
A uniformly charged thin spherical shell of radius R carries uniform surface charge density 6 per unit area. It is made of two hemispherical shells, held together by pressing them with force F. The value of F will be (Take, πσ2R2=4ε0)
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