Physics 9 Chapter 7 - Properties of Matter - 23

Physics 9 Chapter 7 - Properties of Matter - 23

1. What is the young’s modulus of brass?

a) 7000 x 10⁹ Nm^-2
b) 11.0 x 10⁹ Nm^-2
c) 91 x 10⁹ Nm^-2
d) 0.07 x 10⁹ Nm^-2

2. According to hooke’s law............................?

a) Stress x Strain = Constant
b) Strain / Stress = Constant
c) Stress = Strain
d) Stress / Strain = Constant

3. On which of the following type matter, hooke’s law is applicable within certain limit?

a) Gases
b) All of these
c) Liquids
d) Solids

4. What is the young’s modulus of lead?

a) 16 x 10⁹ Nm^-2
b) 11.0 x 10⁹ Nm^-2
c) 7000 x 10⁹ Nm^-2
d) 0.07 x 10⁹ Nm^-2

5. What is the young’s modulus of iron?

a) 190 x 10⁹ Nm^-2
b) 7000 x 10⁹ Nm^-2
c) 11.0 x 10⁹ Nm^-2
d) 0.07 x 10⁹ Nm^-2

6. What is the ratio of stress to tensile strain called?

a) Archimedes principle
b) Pascal’s law
c) Hooke’s law3
d) Young’s modulus

7. What is the young’s modulus of nickel?

a) 7000 x 10⁹ Nm^-2
b) 11.0 x 10⁹ Nm^-2
c) 200 x 10⁹ Nm^-2
d) 0.07 x 10⁹ Nm^-2

8. What is the formula of Young’s modulus?

a) Young’s modulus = Stress + Tensile strain
b) Young’s modulus = Stress / Tensile strain
c) Young’s modulus = Stress x Tensile strain
d) Young’s modulus = Stress - Tensile strain

9. What is the young’s modulus of rubber?

a) 7000 x 10⁹ Nm^-2
b) 11.0 x 10⁹ Nm^-2
c) 0.07 x 10⁹ Nm^-2
d) 0.0007 x 10⁹ Nm^-2

10. What is the young’s modulus of glass?

a) 60 x 10⁹ Nm^-2
b) 0.07 x 10⁹ Nm^-2
c) 11.0 x 10⁹ Nm^-2
d) 7000 x 10⁹ Nm^-2

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