Home
Class 11
PHYSICS
A rod 100 cm long and of 2cmxx2cm cross-...

A rod 100 cm long and of `2cmxx2cm` cross-section is subjected to a pull of 1000 kg force. If the modulus of elasticity of the materials is `2.0xx10^(6) kg//cm^(2)`, determine the elongation of the rod.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
`Deltal =(Fl)/(AY) = (1000xx100)/(4xx2xx10^(6))`
` =0.0125 cm`
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    DC PANDEY|Exercise Exercise 15.2|2 Videos

  • ELASTICITY

    DC PANDEY|Exercise Assertion And Reason|22 Videos

  • ELASTICITY

    DC PANDEY|Exercise MiscellaneousExamples|4 Videos

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise All Questions|434 Videos

  • ELECTROSTATICS

    DC PANDEY|Exercise Integer|17 Videos

Similar Questions

Explore conceptually related problems

A stress of 1kg//mm^(2) is applied on a wire. If the modulus of elasticity of the wire is 10^(10) "dyne"//cm^(2) , then the percentage increase in the length of the wire will be

A brass rod of cross-sectional area 1cm^(2) and length 0.2 cm is compressed lengthwise by a weight of 5 kg . If Young's modulus of elasticity of brass is 1 xx 10^(11) N//m^(2) and g=10 m//sec^(2) , then increase in the energy of the rod will be

A uniform bar of length 2 m and cross-sectional area 50cm^(2) is subjected to a tensile load 100 N. If Young's modulus of material of bar is 2xx10^(7)N//m^(2) and poisson's ratio is 0.4, then determine the volumetric strain.

A brass rod of cross-sectional area 1cm^(2) and length 0.2 m is compressed lengthwise by a weight of 5 kg. if young's modulus of elasticity of brass is 1xx10^(11)N//m^(2) and g=10m//sec^(2) then increase in the energy of the rod will be

A metallic rod of radius 2cm and cross sectional area 4cm^(2) is fitted into a wooden circular disc of radisu 4cm . If the Young's modulus of the materail of the ring is 2xx10^(11) N//m^(2) , the force with which the metal ring expands is:

A brass rod of cross sectional area 1cm^2 and length 0.2m is compressed lengthwise by a weight of 5kg . If Young's modulus of elasticity of brass is 1xx10^(11)(N)/(m^2) and g=10(m)/(sec^2) Then increase in the energy of the ro will be

A metallic rod l cm long, A square cm in cross-section is heated through t^(@)"C" . If Young’s modulus of elasticity of the metal is E and the mean coefficient of linear expansion is alpha per degree celsius, then the compressional force required to prevent the rod from expanding along its length is

An iron rod of 0.1 cm^(2) cross-sectional area is subjected to a magnetising field of 800 A/m. If the susceptibility of iron is 599, then magnetic flux produced in the rod is

A brass rod of cross-sectional 1 cm^(2) and length 0.2 m is compresssed lengthwire by a weight of 5kg. The young's modulus of elasticity of brass is 1 xx 10^(11) N//m^(2) and g = 10m//sec^(2) . What is the increases in the energy of the rod ?