Q.6 A 4.0 m long wire is subjected to stretching force and its length increases by 40 cm. The percent elongation which the wire undergoes is:
A) 0.10 % C) 10 %
B) 40 % D) 20 %
A) 0.10 % C) 10 %
B) 40 % D) 20 %
Q.9 Strain energy in a deformed energy is stored in the form of:
A) Elastic Energy C) Plastic Energy
B) Potential Energy D) Kinetic Energy
Q.10 A wire of area of cross section ‘A’ and original length ‘l’ is subjected to a load ‘L’. A second wire of same material with an area is ‘2A’ and length ‘2l’ is subjected to the same load ‘L’. If the
extension in first wire is ‘X’ and second wire is ‘Y’, find the ratio ‘X/Y’.
A)1 /4 C)1 /1
A) Elastic Energy C) Plastic Energy
B) Potential Energy D) Kinetic Energy
Q.10 A wire of area of cross section ‘A’ and original length ‘l’ is subjected to a load ‘L’. A second wire of same material with an area is ‘2A’ and length ‘2l’ is subjected to the same load ‘L’. If the
extension in first wire is ‘X’ and second wire is ‘Y’, find the ratio ‘X/Y’.
A)1 /4 C)1 /1
B)1 /2 D)2 /1
Q.11 The ratio of applied stress to the volumetric strain is called:
A) Bulk Modulus C) Tensile modulus
B) Shear Modulus D) Young’s Modulus
Q.12 The wire made of copper belong to which specific kind of material:
A) Ductile material C) Brittle material
B) Tough material D) Deformed material
A) Bulk Modulus C) Tensile modulus
B) Shear Modulus D) Young’s Modulus
Q.12 The wire made of copper belong to which specific kind of material:
A) Ductile material C) Brittle material
B) Tough material D) Deformed material