BITSAT PYQs for Mechanical Properties of Solids with Solutions: Practice BITSAT Previous Year Questions

Updated 3+ months ago

Mechanical Properties of Solids 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 Mechanical Properties of Solids with explanations for effective preparation. Practice of BITSAT Physics PYQs including Mechanical Properties of Solids questions regularly will improve accuracy, speed, and confidence in the BITSAT 2026 exam.

BITSAT PYQs for Mechanical Properties of Solids with Solutions

1.
The Poisson's ratio of a material is $0.5$. If a force is applied to a wire of this material, there is a decrease in the cross-sectional area by $4 \%$. The percentage increase in the length is:
- 0.01
- 0.02
- 0.025
- 0.04
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2.
A steel wire of length L at 40^∘C is suspended from the ceiling and a mass m is hung 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 of steel is 10⁻5/^∘C. Young’s modulus of steel is 10¹1N/m² and radius of the wire is 1mm. Assume diameter of the wire. Then the value of m in kg is nearly
- 1
- 2
- 3
- 5
View Solution
3.
The approximate depth of an ocean is 2700 m. The compressibility of water is $ 45.4 \times 10^{-11} \, \text{Pa}^{-1} $ and the density of water is $ 10^3 \, \text{kg m}^{-3} $. What fractional compression of water will be obtained at the bottom of the ocean?
- $1.0 \times 10^{-2}$
- $1.2 \times 10^{-2}$
- $1.4 \times 10^{-2}$
- 0.8 × 10⁻2
View Solution
4.
A light string passing over a smooth light pulley connects two blocks of masses $ m_1 $ and $ m_2 $ (where $ m_2>m_1 $). If the acceleration of the system is $ \frac{g}{\sqrt{2}} $, then the ratio of the masses $ \frac{m_1}{m_2} $ is:
- $ \frac{\sqrt{2} - 1}{\sqrt{2} + 1} $
- $ \frac{1 + \sqrt{5}}{\sqrt{5} - 1} $
- $ \frac{1 + \sqrt{5}}{\sqrt{2} - 1} $
- $ \frac{\sqrt{3} + 1}{\sqrt{2} - 1} $
View Solution
5.
Steel wire of length ' $L$ ' at $40^{\circ} C$ is suspended from the ceiling and then a mass ' $m$ ' is hung from its free end. The wire is cooled down from $40^{\circ} C$, to $30^{\circ} C$ to regain its original length '$L$'. The coefficient of linear thermal expansion of the steel is $10^{-5} /{ }^{\circ} C$, Young's modulus of steel is $10^{11} \,N / m ^{2}$ and radius of the wire is $1 \,mm$. Assume that $L \gg$ diameter of the wire. Then the value of ' $m$ ' in $kg$ in nearly.
- 1
- 2
- 3
- 5
View Solution

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BITSAT PYQs for Mechanical Properties of Solids with Solutions: Practice BITSAT Previous Year Questions

BITSAT PYQs for Mechanical Properties of Solids with Solutions

1.
The Poisson's ratio of a material is $0.5$. If a force is applied to a wire of this material, there is a decrease in the cross-sectional area by $4 \%$. The percentage increase in the length is:

3.
The approximate depth of an ocean is 2700 m. The compressibility of water is \( 45.4 \times 10^{-11} \, \text{Pa}^{-1} \) and the density of water is \( 10^3 \, \text{kg m}^{-3} \). What fractional compression of water will be obtained at the bottom of the ocean?

4.
A light string passing over a smooth light pulley connects two blocks of masses \( m_1 \) and \( m_2 \) (where \( m_2>m_1 \)). If the acceleration of the system is \( \frac{g}{\sqrt{2}} \), then the ratio of the masses \( \frac{m_1}{m_2} \) is:

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BITSAT PYQs for Mechanical Properties of Solids with Solutions

1.The Poisson's ratio of a material is $0.5$. If a force is applied to a wire of this material, there is a decrease in the cross-sectional area by $4 \%$. The percentage increase in the length is:

3.The approximate depth of an ocean is 2700 m. The compressibility of water is \( 45.4 \times 10^{-11} \, \text{Pa}^{-1} \) and the density of water is \( 10^3 \, \text{kg m}^{-3} \). What fractional compression of water will be obtained at the bottom of the ocean?

4.A light string passing over a smooth light pulley connects two blocks of masses \( m_1 \) and \( m_2 \) (where \( m_2>m_1 \)). If the acceleration of the system is \( \frac{g}{\sqrt{2}} \), then the ratio of the masses \( \frac{m_1}{m_2} \) is:

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1.
The Poisson's ratio of a material is $0.5$. If a force is applied to a wire of this material, there is a decrease in the cross-sectional area by $4 \%$. The percentage increase in the length is:

3.
The approximate depth of an ocean is 2700 m. The compressibility of water is \( 45.4 \times 10^{-11} \, \text{Pa}^{-1} \) and the density of water is \( 10^3 \, \text{kg m}^{-3} \). What fractional compression of water will be obtained at the bottom of the ocean?

4.
A light string passing over a smooth light pulley connects two blocks of masses \( m_1 \) and \( m_2 \) (where \( m_2>m_1 \)). If the acceleration of the system is \( \frac{g}{\sqrt{2}} \), then the ratio of the masses \( \frac{m_1}{m_2} \) is: