JEE Mains 15-Apr-2023 Shift 1 Solved Paper

Section: Physics

Question : 48 of 90

Marks: +1, -0

A wire of length ' L ' and radius ' r ' is clamped rigidly at one end. When the other end of the wire is pulled by a force f, its length increases by ' l '. Another wire of same material of length ' 2L ' and radius ' 2r ' is pulled by a force ' 2f. Then the increase in its length will be :

[15-Apr-2023 shift 1]

l∕2
4l
l
2l

Validate

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