Home
Class 12
PHYSICS
A force of one newton doubles the length...

A force of one newton doubles the length of a cord having cross-sectional area `1mrh^(2)`. The Young's modulus of the material of the cord is

A

`1Nm^(-2)`

B

`5xx10^(5)Nm^(-2)`

C

`10^(6)Nm^(-2)`

D

`2xx10^(6)Nm^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C)|2 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE|Exercise Assignment (SECTION - D)|2 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH INSTITUTE|Exercise Assignment (SECTION - A)|31 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    AAKASH INSTITUTE|Exercise SECTION - J|9 Videos

  • Mock test 03

    AAKASH INSTITUTE|Exercise EXAMPLE|37 Videos

Similar Questions

Explore conceptually related problems

COMPLETION TYPE QUESTIONS A tensile force of 2 xx 10^5 dyne doubles the length of an elastic cord whose area of cross-section is 2 cm^2 . The Young's modulus of the material of the cord is _______.

The adjacent graph shows the estension (Deltal) of a wire of length 1m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross-sectional area of the wire is 10^-6m^2 , calculate the Young's modulus of the material of the wire.

The adjacent graph shows the extension Deltal of a wire of length 1m, suspended from the f top of a roof at one end and with a loaf w connected to the other end. If the cross-sectional area of the wire is 10^(6) m^(2) calculate the young's modulus of the material of the wire .

A force F doubles the length of wire of cross-section a The Young modulus of wire is

The stress along the length of a rod with rectangular cross section) is 1% of the Young's modulus of its material. What is the approximate percentage of change of its volume? (poisson's ration of the material of the rod is 0.3)

An object of mass m is suspended at the end of a massless wire of length L and area of cross -section A. Young modulus of the material of the wire is Y. If the mass is pulled down slightly its frequency of oscillation along the vertical direction is :

The force in newton required to increase by 1% length of a rod of area of cross section 10^(-3) m squre is …….., Modulus of elaticity of rod is 1.2 xx 10^(12) N m^(-2)

The length of a rod is 20 cm and area of cross-section 2 cm^(2) . The Young's modulus of the material of wire is 1.4 xx 10^(11) N//m^(2) . If the rod is compressed by 5 kg-wt along its length, then increase in the energy of the rod in joules will be

A wire of 10m long and 1mm^(2) area of cross section is strechted by a force of 20N . If the elongation is 2mm the young's modulus of the material of the wire (in Pa ) is

A uniform heavy rod of weight W, cross sectional area a and length L is hanging from fixed support. Young modulus of the material of the rod is Y. Neglect the lateral contraction. Find the elongation of the rod.