JEE Advanced 2021 Full Test 3 Paper 2

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SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.

Question : 12 of 54

Marks: +1, -0

When a soap bubble of radius R=0.25cm is charged with surface charge density σ=20µC∕m2. If in this situation pressure inside and outside the bubble is equal surface tension of liquid is given by N×10−12∕8∈0N∕M. Find N.

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