Physics Group - I (3110011) MCQs

MCQs of Properties of Matter

Showing 1 to 10 out of 32 Questions
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1.
Based on elasticity, materials are generally classified as __________ and __________.
(a) elastic and perfectly plastic
(b) perfectly elastic and plastic
(c) perfectly elastic and perfectly plastic
(d) none of these
Answer:

Option (b)

2.
On deforming a body, the restoring force that acts per unit area is known as
(a) strain
(b) density of force
(c) stress
(d) Young,s modulus
Answer:

Option (c)

3.
The SI unit of stress is
(a) Nm2
(b) Newton
(c) Nm3
(d) it is a unit-less quantity
Answer:

Option (a)

4.
Under equillibrium, the ratio of change in dimension produced by an external force to its original dimension is called
(a) stress
(b) plasticity
(c) strain
(d) elasticity
Answer:

Option (c)

5.
Strain has __________ unit
(a) Pascal
(b) Newton
(c) Ncm2
(d) no
Answer:

Option (d)

6.
For an object that is within __________, stress is directly proportional to strain.
(a) normal stress
(b) normal strain
(c) elastic limit
(d) insufficient data
Answer:

Option (c)

7.
The maximum stress upto which a body exhibits the property of elasticity is known as
(a) normal elasticity
(b) perfect elasticity
(c) elastic limit
(d) breaking strain
Answer:

Option (c)

8.
The body beyond its elastic limit is in its
(a) expansive stress state
(b) compressive stress state
(c) none of the above
(d) plastic limit state
Answer:

Option (d)

9.
From the below mentioned factors, select the one that affects elasticity of a material
(a) Hammering and Rolling
(b) Impurities
(c) Annealing
(d) all of these
Answer:

Option (d)

10.
The elastic moduli of solids are classified into
(a) Young's Modulus
(b) all of these
(c) Bulk modulus
(d) Rigidity modulus
Answer:

Option (b)

Showing 1 to 10 out of 32 Questions
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