BITSAT PYQs for Stress and Strain with Solutions: Practice BITSAT Previous Year Questions

Updated 3+ months ago

Stress and Strain is an important topic in the Physics section in BITSAT exam. Practising this topic will increase your score overall and make your conceptual grip on BITSAT exam stronger.

This article gives you a full set of BITSAT PYQs for Stress and Strain with explanations for effective preparation. Practice of BITSAT Physics PYQs including Stress and Strain questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.

BITSAT PYQs for Stress and Strain with Solutions

1.
Two wires of same material and same volume have cross-sectional areas A and 2A. If the first wire is elongated by Δ x under force F, the force required to stretch the second wire by the same amount is:
- 4F
- 6F
- 9F
- F
View Solution
2.
A steel wire can withstand a load up to $2940\, N$. A load of $150\, kg$ 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
- $30^{\circ} $
- $60^{\circ} $
- $80^{\circ} $
- $85^{\circ} $
View Solution
3.
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
- 18^
- 0.18^
- 36^
- 0.36^
View Solution
4.
A load of $1\, kg$ weight is a attached to one end of a steel wire of area of cross-section $ 3 \, mm^2$ and Young's modulus $10^{11} \, N/m^2$. 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 $(g = 10 \, m/s^2)$
- $0.3 \times 10^{-4}$
- $0.3 \times 10^{-3}$
- $0.3 \times 10^{3}$
- $0.3 \times 10^{4}$
View Solution
5.
The Young's modulus of a perfectly rigid body is:
- unity
- zero
- infinity
- some finite non-zero constant
View Solution
6.
An iron rod of length 2 m and cross-sectional area 50 mm² is stretched by 0.5 mm by hanging a mass of 250 kg. The Young’s modulus of iron is:
- 19.6×10¹⁰ N/m²
- 19.6×10¹⁸ N/m²
- 19.6×10¹¹ N/m²
- 19.6×10¹⁵ N/m²
View Solution
7.
The load versus elongation graph for four wires is shown. The thinnest wire is:
- $P$
- $Q$
- $R$
- $S$
View Solution
8.
There is some change $W$ length when a $ 33000 \, N$ tensile force is applied on a steel rod of area of cross-section $10^{-3} \, m^2$. The change of temperature required to produce the same elongation, if the steel rod is heated, is (The modulus of elasticity is $3 \times 10^{11} N/m^2$ and the coefficient of linear expansion of steel is $ 1.1 \times 10^{-5} /^{\circ} C)$.
- $20^{\circ} C $
- $15^{\circ} C $
- $10^{\circ} C $
- $0^{\circ} C $
View Solution
9.
A cube is subjected to a uniform volume compression. If the side of the cube decreases by 2%, the bulk strain is a
- 0.02
- 0.03
- 0.04
- 0.06
View Solution
10.
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 $\Delta x$ on applying force $F$, how much force is needed to stretch wire $2$ by the same amount?
- 4 F
- 6 F
- 9 F
- F
View Solution
11.
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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?
- $4F$
- $6F$
- $9F$
- F
View Solution
12.
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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?
- $4F$
- $6F$
- $9F$
- F
View Solution
13.
A steel wire of length L at 40°C is suspended from the ceiling and carries a mass m from its free end. The wire is cooled from 40°C to 30°C to regain its original length L. The coefficient of linear expansion is 10⁻⁵/°C, Young’s modulus of steel is 10¹¹ N m⁻², and the radius of the wire is 1 mm. The value of m in kg is nearly
- 1
- 2
- 3
- 5
View Solution
14.
A steel rod of diameter 1.0 cm is clamped firmly at each end when its temperature is 25°C so that it cannot contract on cooling. The tension in the rod at 0°C is ($\alpha = 1 \times 10^{-5} /^\circ$C, $Y = 2 \times 10^{11}$ N/m²)
- 3925 N
- 7000 N
- 7400 N
- 4700 N
View Solution

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BITSAT PYQs for Stress and Strain with Solutions: Practice BITSAT Previous Year Questions

BITSAT PYQs for Stress and Strain with Solutions

1.
Two wires of same material and same volume have cross-sectional areas A and 2A. If the first wire is elongated by Δ x under force F, the force required to stretch the second wire by the same amount is:

2.
A steel wire can withstand a load up to $2940\, N$. A load of $150\, kg$ 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

3.
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

5.
The Young's modulus of a perfectly rigid body is:

6.
An iron rod of length 2 m and cross-sectional area 50 mm² is stretched by 0.5 mm by hanging a mass of 250 kg. The Young’s modulus of iron is:

7.
The load versus elongation graph for four wires is shown. The thinnest wire is:

9.
A cube is subjected to a uniform volume compression. If the side of the cube decreases by 2%, the bulk strain is a

10.
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 $\Delta x$ on applying force $F$, how much force is needed to stretch wire $2$ by the same amount?

11.
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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?

12.
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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?

14.
A steel rod of diameter 1.0 cm is clamped firmly at each end when its temperature is 25°C so that it cannot contract on cooling. The tension in the rod at 0°C is (\(\alpha = 1 \times 10^{-5} /^\circ\)C, \(Y = 2 \times 10^{11}\) N/m²)

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BITSAT PYQs for Stress and Strain with Solutions

1.Two wires of same material and same volume have cross-sectional areas A and 2A. If the first wire is elongated by Δ x under force F, the force required to stretch the second wire by the same amount is:

2.A steel wire can withstand a load up to $2940\, N$. A load of $150\, kg$ 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

3.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

5.The Young's modulus of a perfectly rigid body is:

6.An iron rod of length 2 m and cross-sectional area 50 mm² is stretched by 0.5 mm by hanging a mass of 250 kg. The Young’s modulus of iron is:

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

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

10.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 $\Delta x$ on applying force $F$, how much force is needed to stretch wire $2$ by the same amount?

11.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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?

12.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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?

14.A steel rod of diameter 1.0 cm is clamped firmly at each end when its temperature is 25°C so that it cannot contract on cooling. The tension in the rod at 0°C is (\(\alpha = 1 \times 10^{-5} /^\circ\)C, \(Y = 2 \times 10^{11}\) N/m²)

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1.
Two wires of same material and same volume have cross-sectional areas A and 2A. If the first wire is elongated by Δ x under force F, the force required to stretch the second wire by the same amount is:

2.
A steel wire can withstand a load up to $2940\, N$. A load of $150\, kg$ 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

3.
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

5.
The Young's modulus of a perfectly rigid body is:

6.
An iron rod of length 2 m and cross-sectional area 50 mm² is stretched by 0.5 mm by hanging a mass of 250 kg. The Young’s modulus of iron is:

7.
The load versus elongation graph for four wires is shown. The thinnest wire is:

9.
A cube is subjected to a uniform volume compression. If the side of the cube decreases by 2%, the bulk strain is a

10.
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 $\Delta x$ on applying force $F$, how much force is needed to stretch wire $2$ by the same amount?

11.
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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?

12.
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 Δ x on applying force F, how much force is needed to stretch wire 2 by the same amount?

14.
A steel rod of diameter 1.0 cm is clamped firmly at each end when its temperature is 25°C so that it cannot contract on cooling. The tension in the rod at 0°C is (\(\alpha = 1 \times 10^{-5} /^\circ\)C, \(Y = 2 \times 10^{11}\) N/m²)