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1.
A metallic rod of length 
and cross-sectional area 
is made of a material of Young modulus 
. If the rod is elongated by an amount 
, then the work done is proportional to
and cross-sectional area is made of a material of Young modulus . If the rod is elongated by an amount , then the work done is proportional to
2.
The isothermal elasticity of a gas is equal to
3.
A material has Poisson's ratio 0.50. If a uniform rod of it suffers a longitudinal strain of 
, then the percentage change in volume is
, then the percentage change in volume is
4.
Which of the following affects the elasticity of a substance
5.
Which is correct relation
6.
The Young's modulus of the material of a wire is 
and there is no transverse strain it, then its modulus of rigidity will be
and there is no transverse strain it, then its modulus of rigidity will be
7.
Two wires of equal lengths are made of the same material. Wire has a diameter that is twice as that of wire 
. If identical weights are suspended from the ends of these wires, the increase in length is
has a diameter that is twice as that of wire . If identical weights are suspended from the ends of these wires, the increase in length is
8.
The elastic energy stored in a wire of Young's modulus Y is
9.
Which of the following substance has the highest elasticity?
10.
If the force constant of a wire is 
, the work done in increasing the length of the wire by is
, the work done in increasing the length of the wire by is