CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

A wire of length L and radius r is rigidly fixed at one end. On stretching the other end of the wire with a force F, the increase in its length is l. If another wire of same material but of length 2L and radius 2r is stretched with a force of 2F, the increase in its length will be


Solution

The correct option is B
l=FLπr2Yl2l1=F2F1L2L1(r1r2)2=2×2×(12)2=1l2=l1 i.e. the increment in length will be same.

flag
 Suggest corrections
thumbs-up
 
1 Upvotes


Similar questions
View More


People also searched for
View More



footer-image