Home
Class 12
PHYSICS
when a weight of 10 kg is suspended from...

when a weight of 10 kg is suspended from a copper wire of length 3m and diameter 0.4 mm. Its length increases by 2.4 cm. If the diameter of the wire is doubled then the extension in its length will be

A

`9.75xx10^9` dyne `cm^-2`

B

`9.75xx10^9Nm^-2`

C

`5,79xx10^6` dyne `cm^-2`

D

`5.79xx10^8Nm^-2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

When a weight of 10 kg is suspended from a copper wire of length 3 metres and diameters 0.4 mm , its length increases by 2.4 cm . If the diameter of the wire is doubled, then the extension in its length will be

When a weight of 5 kg is suspended from a copper wire of length 30 m and diameter 0.5 mm , the length of the wire increases by 2.4 cm . If the diameter is doubled, the extension produced is

The length of a wire is 4m . Its length is increased by 2mm when a force acts on it. The strain is

A copper wire of length 3m and diameter 1mm is stretched to increase its length by 0.3cm. What is the lateral contraction, if the Poisson's ratio for copper is 0.25?

A load of 3kg produces an extension of 1.5 mm in a wire of length 3m and diameter 2mm . Young's modulus of the material of the wire is

When a certain weight is suspended from a long uniform wire, its length increases by 1 cm. If the same weight is suspended from the other wire of the same material and length but having a diameter half of the first one then the increase in length will be

A mass of 0.5 kg is suspended from wiere, then length of wire increase by 3 mm then work done

When a load of 10 kg is suspended on a metallic wire, its length increase by 2 mm. The force constant of the wire is

3 m long copper wire is stretched to increase its length by 0.3 cm. The lateral strain produced in the wire is,