JEE Main 20 July 2021 Shift 1 Solved Paper

Section: Physics

Question : 16 of 90

Marks: +1, -0

The value of tension in a long thin metal wire has been changed from T1 to T2. The lengths of the metal wire at two different values of tension T1 andT2 are l1 and l2 respectively. The actual length of the metal wire is :

[20 Jul 2021 Shift 1]

T1l2−T2l1
T1−T2
T1l1−T2l2
T1−T2
l1+l2
2
√T1T2l1l2

Validate

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