Chapter 17 - Physics of Solids - 4

Chapter 17 - Physics of Solids - 4

1. The ratio of volumetric stress to volumetric strain is called:

a) Shear modules
b) Hooke’s Modules
c) Young’s modules
d) Bulk modules

2. SI unit of stress is same is that of:

a) Force
b) Length
c) Momentum
d) Pressure

3. The dimension of strain is:

a) [L-1]
b) Dimensionless
c) [LT-1]
d) [L]

4. Stress required to produce a unit strains is called:

a) Modules of elasticity
b) Deformation
c) Permanent stress
d) Unit stress

5. Crystals are classified into:

a) Seven groups
b) Four groups
c) Infinite groups
d) Three groups

6. The maximum stress which a body can bear is called:

a) UTS
b) Plastic stress
c) Permanent stress
d) Elastic stress

7. Nacl has:

a) Cubical structure
b) Hexagonal
c) Trigonal structure
d) Tetragonal

8. Bulk modules of elasticity is given by:

a) G= F/A/Tanθ
b) K= F/A/ ΔVV
c) E= F/A/ Δ ℓ /L
d) F/A

9. A substance which undergoes a temporary deformation is called:

a) Ceramic
b) Ductile
c) Organic
d) Brittle

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