MEDIUM
11th ICSE
IMPORTANT
Earn 100

The coefficient of linear expansion and Young’s modulus of copper are respectively 1.5 times and 0.5 times those of iron. The ratio of the forces developed in copper and iron bars of identical lengths and cross-sections and held fixed, when heated through the same range of temperature, is :

50% studentsanswered this correctly

Important Questions on Elasticity

EASY
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 1
Distinguish between crystalline and glassy solids. Give two examples of each.
HARD
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 2
Explain fully the terms stress, strain, and define young's modulus of elasticity.
EASY
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 3
What do you understand by the limit of elasticity? State Hooke's law.
EASY
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 4
Define longitudinal strain, stress and Young modulus, write their units.
EASY
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 5
Define and explain bulk modulus of a material. Write its formula, explaining the signification of mains sign.
EASY
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 6
What are shearing stress and shearing strain? Define modulus of rigidity of a material and write its S.I. unit.
MEDIUM
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 7
Draw a graph bw the load suspended from a wire and the extension produced in the length of the wire. Mark the elastic limit on the graph. Which part of the graph is related to Young's modulus of the material of the wire?
MEDIUM
11th ICSE
IMPORTANT
ISC Physics Class XI Part 1>Chapter 18 - Elasticity>QUESTIONS>Q 8
What are ductile materials brittle materials and elastomers? Gives two examples of each.