Home
Class 11
PHYSICS
A wire of length L and radius a rigidlyl...

A wire of length L and radius a rigidlyl 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 2 L and radius 2 a is stretched with a force 2 F, the increase in its length will be

A

`l`

B

`2l`

C

`(l)/(2)`

D

`(l)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    ERRORLESS |Exercise Bulk Modulus|21 Videos

  • ELASTICITY

    ERRORLESS |Exercise Rigidity Modulus|18 Videos

  • FLUID MECHANICS

    ERRORLESS |Exercise Fluid Mechanics|19 Videos

Similar Questions

Explore conceptually related problems

A wire of length L and radius r is clamped at one end. On stretching the other end of the wire with a force F, the increase in its length is 1. If another wire of same material but of length 2L and radius 2r is stretched with a force 2F, the increase in its leagth will be

A wire of length L and radius r is fixed at one end. When a stretching force F is applied at free end, the elongation in the wire is l . When another wire of same material but of length 2L and radius 2r , also fixed at one end is stretched by a force 2F applied at free end, then elongation in the second wire will be

In a wire of length L, the increase in its length is l . If the length is reduced to half, the increase in its length will be

The resistivity of wire made up of copper having length L and radius r is x .If another wire made up of same material but length 2L and radius (r)/(2) then its resistivity will be

In a wire of length L, the increase in its length is DeltaL . If the length is reduced to half, then the increase in its length will be

When a uniform wire of radius r is stretched by a 2kg weight, the increase in its length is 2.00 mm . If the radius of the wire is r//2 and other conditions remain the same, the increase in its length is

If the force constant of a wire is K, the work done in increasing the length of the wire by l is

The ratio of the lengths of two wires A and B of same material is 1 :2 and the ratio of their diameters is 2:1. They are stretched by the same force, then the ratio of increase in length will be

The ratio of the lengths of two wires A and B of same material is 1:2 and the ratio of their diameter is 2:1 . They are stretched by the same force, then the ratio of increase in length will be

Young's modulus of the material of a wire is Y. ON pulling the wire by a force F, the increase in its length is x. The potential energy of the stretched wire is