A) 0.37 m
B) 0.43 m
C) 0.31 m
D) 0.2 m
Correct Answer: A
Solution :
[a] \[\sqrt{T/l}=constant\]; Tension decreases by a factor (8 -1) / 8, length decreases by square root of this i.e. 0.77.You need to login to perform this action.
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