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BITSAT SERIES
Physics

Stress And Strain

14 previous year questions.

Volume: 14 Ques
Yield: Medium

High-Yield Trend

1
2026
1
2020
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2017
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2016
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2014
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2013
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2012
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2011
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2010
3
2008

Chapter Questions
14 MCQs

01
PYQ 2008
easy
physics ID: bitsat-2
A steel wire can withstand a load up to . A load of is suspended from a rigid support. The maximum angle through which the wire can be displaced from the mean position, so that the wire does not break when the load passes through the position of equilibrium, is
02
PYQ 2008
easy
physics ID: bitsat-2
A load of weight is a attached to one end of a steel wire of area of cross-section and Young's modulus . The other end is suspended vertically from a hook on a wall, then the load is pulled horizontally and released. When the load passes through its lowest position the fractional change in length is
03
PYQ 2008
easy
physics ID: bitsat-2
There is some change length when a tensile force is applied on a steel rod of area of cross-section . The change of temperature required to produce the same elongation, if the steel rod is heated, is (The modulus of elasticity is and the coefficient of linear expansion of steel is .
04
PYQ 2010
medium
physics ID: bitsat-2
The upper end of a wire of diameter 12 mm and length 1 m is clamped and its other end is twisted through an angle of 30^. The angle of shear is
1
18^
2
0.18^
3
36^
4
0.36^
05
PYQ 2011
medium
physics ID: bitsat-2
An iron rod of length 2 m and cross-sectional area 50 mmยฒ is stretched by 0.5 mm by hanging a mass of 250 kg. The Youngโ€™s modulus of iron is:
1
19.6ร—10ยนโฐ N/mยฒ
2
19.6ร—10ยนโธ N/mยฒ
3
19.6ร—10ยนยน N/mยฒ
4
19.6ร—10ยนโต N/mยฒ
06
PYQ 2011
medium
physics ID: bitsat-2
Two wires of same material and same volume have cross-sectional areas A and 2A. If the first wire is elongated by ฮ” x under force F, the force required to stretch the second wire by the same amount is:
1
4F
2
6F
3
9F
4
F
07
PYQ 2012
medium
physics ID: bitsat-2
The Young's modulus of a perfectly rigid body is:
1
unity
2
zero
3
infinity
4
some finite non-zero constant
08
PYQ 2013
medium
physics ID: bitsat-2

A cube is subjected to a uniform volume compression. If the side of the cube decreases by 2%, the bulk strain is a

1
0.02
2
0.03
3
0.04
4
0.06
09
PYQ 2014
medium
physics ID: bitsat-2

The load versus elongation graph for four wires is shown. The thinnest wire is:ย 

1

2

3

4
10
PYQ 2016
medium
physics ID: bitsat-2
Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire 2 has cross-sectional area 3A. If the length of wire 1 increases by ฮ” x on applying force F, how much force is needed to stretch wire 2 by the same amount?
1

2

3

4
F
11
PYQ 2016
easy
physics ID: bitsat-2
Two wires are made of the same material and have the same volume. However wire has cross sectional area A and wire has cross-sectional area . If the length of wire increases by on applying force , how much force is needed to stretch wire by the same amount?
1
4 F
2
6 F
3
9 F
4
F
12
PYQ 2017
medium
physics ID: bitsat-2

A steel wire of length L at 40ยฐC is suspended from the ceiling and carries a mass m from its free end. The wire is cooled from 40ยฐC to 30ยฐC to regain its original length L. The coefficient of linear expansion is 10โปโต/ยฐC, Youngโ€™s modulus of steel is 10ยนยน N mโปยฒ, and the radius of the wire is 1 mm. The value of m in kg is nearly

1
1
2
2
3
3
4
5
13
PYQ 2020
medium
physics ID: bitsat-2
Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire 2 has cross-sectional area 3A. If the length of wire 1 increases by ฮ” x on applying force F, how much force is needed to stretch wire 2 by the same amount?
1

2

3

4
F
14
PYQ 2026
medium
physics ID: bitsat-2
A steel rod of diameter 1.0 cm is clamped firmly at each end when its temperature is 25ยฐC so that it cannot contract on cooling. The tension in the rod at 0ยฐC is ( C, N/mยฒ)
1
3925 N
2
7000 N
3
7400 N
4
4700 N

About Stress And Strain - BITSAT

Stress And Strain is a vital chapter for BITSAT aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Stress And Strain PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Stress And Strain carry the most weight. Then, tackle the questions iteratively to solidify your understanding.