Home
Class 12
PHYSICS
A substance breaks down by a stress of 1...

A substance breaks down by a stress of `10^(6)N//m^(2).` If the density of the material of the wire is `3xx10^(3) kg//m^(3),` then the length of the wire of that substance which will break under its own weight, when suspended vertically, is its own weight, when suspended vertically, is

A

3.4 m

B

34 m

C

340 m

D

3400 m

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A 20 N stone is suspended from a wire and its length changes by 1% . If the Young's modulus of the material of wire is 2xx10^(11)N//m^(2) , then the area of cross-section of the wire will be

One kg of a diatomic gas is at pressure of 8xx10^4N//m^2 . The density of the gas is 4kg//m^3 . What is the energy of the gas due to its thermal motion?

Practice problems : Relative density of a substance is 67.8 and the density of water is 10^3 kg/m^3 . Calculate the density of substance .

A wire of length 0.5 m is stretched by a weight of 2 kg. If the mass per unit length of the wire is 1.96 xx 10^-3 kg//m , find the fundamental frequency of the wire and the frequency of its first overtone

Find the density of steel if its relative density is 8 and the density of water is 10^3 kg//m^3

A metallic rod breaks when strain produced is 0.2% . The Young's modulus of the material of the rod is 7xx10^(9)N//m^(2) . What should be its area of cross-section to support a load of 10^(4)N ?

Energy density of wire is 0.25 J//m^(3), when its extension is 0.2 cm. Find density of wire, when elongation is 1 cm

If the density of oxygen is 1.44 kg//m^3 at a pressure of 10^5 N//m^2 , find the R.M.S. velocity of oxygen molecules.

A bar magnet made of steel has magnetic moment of 2.5 Am^2 and a mass of 6.6 xx 10^-3 kg .If the density of steel is 7.9 xx 10^3 (kg)/m^3 , find the intensity of magnetisation of the magnet.

A body of mass 10 kg is attached to a wire 0.3 m long. Its breaking stress is 4.8xx10^(7)N//m^(2). The area of cross-section of wire is 10^(-6)m^(2). What is the maximum angular velocity with which it can be rotated in a horizontal circle?