Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called

SM 1

Quiz
•
Physics
•
University
•
Hard
Dharavath Sushma Raj
Used 3+ times
FREE Resource
25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
modulus of elasticity
stress
strain
pressure
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The unit of stress in S.I. units is
kN/mm²
any one of these
N/mm²
N/m²
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The deformation per unit length is called
shear stress
tensile stress
strain
compressive stress
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The unit of strain is
no unit
N-mm
mm
N/mm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Strain is equal to, where l =Original length, and δ = Change in length.
δ/l + l
δl/l
δl
l/δl
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a body is subjected to two equal and opposite pushes, as a result of which the body tends to reduce its length, the stress and strain induced is compressive.
True
False
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a body is subjected to two equal and opposite pulls, as a result of which the body tends to extend its length, the stress and strain induced is
tensile stress, tensile strain
tensile stress, compressive strain
compressive stress, compressive strain
compressive stress, tensile strain
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