1. Poisson’s Ratio is applicable to-

- Solid only
- Gas only
- Liquid only
- All of these

2. The restoring force per unit area is known as-

- strain
- elasticity
- stress
- None of these

3. The ratio of stress to strain is called-

- Frictional coefficient
- Elastic constant
- Coefficient of viscosity
- Surface tension

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Elastic constant

4. Unit of Stress is

5. The dimensional formula of stress is-

- [ML⁻¹T⁻²]
- [M°L°T°]
- [MLT⁻¹]
- [MLT⁻²]

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[ML⁻¹T⁻²]

6. According to Hooke’s Law of Elasticity, if stress is increased, the ratio of stress to strain-

- decreases
- becomes zero
- increases
- remains constant

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remains constant

7. Substances which can be stretched to cause large strain are called-

- Isomers
- Elastomers
- Plastomers
- Polymers

8. The ratio of stress and strain is called-

- surface tension
- modulus of elasticity
- coefficient of friction
- coefficient of viscosity

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modulus of elasticity

9. The ratio of tensile and longitudinal strain is called–

- young’s modulus
- modulus of elasticity
- bulk modulus
- None of these

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young’s modulus

10. The ratio of shearing stress to the shearing strain is defined as-

- Young’s Modulus
- Bulk Modulus
- Shear Modulus
- Compressibility

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Shear Modulus

11. The Shear modulus is also known as-