TS EAMCET PYQs for Work, Energy and Power with Solutions: Practice TS EAMCET Previous Year Questions

Updated 3+ months ago

Work, Energy and Power is an important topic in the Physics section in TS EAMCET exam. Practising this topic will increase your score overall and make your conceptual grip on TS EAMCET exam stronger.

This article gives you a full set of TS EAMCET PYQs for Work, Energy and Power with explanations for effective preparation. Practice of TS EAMCET Physics PYQs including Work, Energy and Power questions regularly will improve accuracy, speed, and confidence in the TS EAMCET 2026 exam.

TS EAMCET PYQs for Work, Energy and Power with Solutions

1.
A block of mass $ m $ with an initial kinetic energy $ E $ moves up an inclined plane of inclination $ \theta $. If $ \mu $ is the coefficient of friction between the plane and the body, the work done against friction before coming to rest is:
- $ \mu E \cos \theta $
- $ \frac{\mu E \cos \theta}{\sin \theta - \mu \cos \theta} $
- $ \frac{E \mu \cos \theta}{\cos \theta + \sin \theta} $
- $ \frac{\mu E \cos \theta}{\sin \theta + \mu \cos \theta} $
View Solution
2.
If the kinetic energy of a body moving with a velocity of $(2\vec{i}+3\vec{j}-4\vec{k})$ ms$^{-1}$ is 87 J, then the mass of the body is
- 3 kg
- 12 kg
- 9 kg
- 6 kg
View Solution
3.
A drop of radius $ R $ breaks into $ n $ equal drops. What is the ratio of total final surface energy to initial surface energy?
- $ n $
- $ \frac{1}{n} $
- $ n^2 $
- $ \frac{1}{n^2} $
View Solution
4.
The initial and the final temperatures of a black body are $27^\circ C$ and $177^\circ C$ respectively. The increase in the amount of radiation emitted per second is:
- 506.25%
- 150.25%
- 225.75%
- 406.25%
View Solution
5.
A body of mass 500 g is falling from rest from a height of 3.2 m from the ground. If the body reaches the ground with a velocity of 6 ms⁻¹, then the energy lost by the body due to air resistance is (Acceleration due to gravity = 10 ms⁻²)
- 14 J
- 7 J
- 21 J
- 28 J
View Solution
6.
The ratio of the lengths of two wires A and B made of same material is 2:1. The diameter of wire A is twice the diameter of wire B. If both the wires are stretched by same tension, the ratio of the energies stored in wires A and B is:
- $ 1:4 $
- $ 1:1 $
- $ 1:2 $
- $ 1:8 $
View Solution
7.
If the de Broglie wavelength of a neutron at a temperature of 77Â°C is $ \lambda $, then the de Broglie wavelength of the neutron at a temperature of 1127Â°C is:
- $ \frac{\lambda}{2} $
- $ \frac{\lambda}{3} $
- $ \frac{\lambda}{4} $
- $ \frac{\lambda}{9} $
View Solution
8.
Four identical particles each of mass 'm' are kept at the four corners of a square of side 'a'. If one of the particles is removed, the shift in the position of the centre of mass is:
- $\sqrt{2}a$
- $\frac{3a}{\sqrt{2}}$
- $\frac{a}{\sqrt{2}}$
- $\frac{a}{3\sqrt{2}}$
View Solution
9.
A ball 'A' of mass 1.2 kg moving with a velocity of 8.4 m/s makes a one-dimensional elastic collision with a ball 'B' of mass 3.6 kg at rest. The percentage of kinetic energy transferred by ball 'A' to ball 'B' is:
- $ 25\% $
- $ 50\% $
- $ 75\% $
- $ 60\% $
View Solution
10.
A metre scale is balanced on a knife edge at its centre. When two coins, each of mass 9 g, are kept one above the other at the 10 cm mark, the scale is found to be balanced at 35 cm. The mass of the metre scale is:
- $ 15 $ g
- $ 30 $ g
- $ 45 $ g
- $ 60 $ g
View Solution
11.
The work done in displacing a particle from $y=a$ to $y = 2a$ by a force $F = -\frac{K}{y^2}$ acting along y-axis is
- $5K/8a$
- $14K/8a^3$
- $-K/a^2$
- $-K/2a$
View Solution
12.
37 g of ice at 0Â°C is mixed with 74 g of water at 70Â°C. The resultant temperature is:
- 45Â°C
- 70Â°C
- 20Â°C
- 35Â°C \bigskip
View Solution
13.
The energy released by the fission of one uranium nucleus is 200 MeV. The number of fissions per second required to produce 128 W power is:
- $ 6 \times 10^{12} $
- $ 8 \times 10^{12} $
- $ 2 \times 10^{12} $
- $ 4 \times 10^{12} $
View Solution
14.
The sphere A of mass $ m $ moving with a constant velocity hits another sphere B of mass $ 2m $ at rest. If the coefficient of restitution is 0.4, the ratio of the velocities of the spheres A and B after collision is
- 3:1
- 1:5
- 1:7
- 4:1
View Solution
15.
A liquid cools from a temperature of 368 K to 358 K in 22 minutes. In the same room, the same liquid takes 12.5 minutes to cool from 358 K to 353 K. The room temperature is:
- $ 27.5^\circ C $
- $ 27.5 K $
- $ 30.5^\circ C $
- $ 30.5 K $
View Solution

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TS EAMCET PYQs for Work, Energy and Power with Solutions: Practice TS EAMCET Previous Year Questions

TS EAMCET PYQs for Work, Energy and Power with Solutions

1.
A block of mass \( m \) with an initial kinetic energy \( E \) moves up an inclined plane of inclination \( \theta \). If \( \mu \) is the coefficient of friction between the plane and the body, the work done against friction before coming to rest is:

2.
If the kinetic energy of a body moving with a velocity of $(2\vec{i}+3\vec{j}-4\vec{k})$ ms$^{-1}$ is 87 J, then the mass of the body is

3.
A drop of radius \( R \) breaks into \( n \) equal drops. What is the ratio of total final surface energy to initial surface energy?

4.
The initial and the final temperatures of a black body are $27^\circ C$ and $177^\circ C$ respectively. The increase in the amount of radiation emitted per second is:

5.
A body of mass 500 g is falling from rest from a height of 3.2 m from the ground. If the body reaches the ground with a velocity of 6 ms⁻¹, then the energy lost by the body due to air resistance is (Acceleration due to gravity = 10 ms⁻²)

6.
The ratio of the lengths of two wires A and B made of same material is 2:1. The diameter of wire A is twice the diameter of wire B. If both the wires are stretched by same tension, the ratio of the energies stored in wires A and B is:

7.
If the de Broglie wavelength of a neutron at a temperature of 77Â°C is \( \lambda \), then the de Broglie wavelength of the neutron at a temperature of 1127Â°C is:

8.
Four identical particles each of mass 'm' are kept at the four corners of a square of side 'a'. If one of the particles is removed, the shift in the position of the centre of mass is:

9.
A ball 'A' of mass 1.2 kg moving with a velocity of 8.4 m/s makes a one-dimensional elastic collision with a ball 'B' of mass 3.6 kg at rest. The percentage of kinetic energy transferred by ball 'A' to ball 'B' is:

10.
A metre scale is balanced on a knife edge at its centre. When two coins, each of mass 9 g, are kept one above the other at the 10 cm mark, the scale is found to be balanced at 35 cm. The mass of the metre scale is:

11.
The work done in displacing a particle from $y=a$ to $y = 2a$ by a force $F = -\frac{K}{y^2}$ acting along y-axis is

12.
37 g of ice at 0Â°C is mixed with 74 g of water at 70Â°C. The resultant temperature is:

13.
The energy released by the fission of one uranium nucleus is 200 MeV. The number of fissions per second required to produce 128 W power is:

14.
The sphere A of mass \( m \) moving with a constant velocity hits another sphere B of mass \( 2m \) at rest. If the coefficient of restitution is 0.4, the ratio of the velocities of the spheres A and B after collision is

15.
A liquid cools from a temperature of 368 K to 358 K in 22 minutes. In the same room, the same liquid takes 12.5 minutes to cool from 358 K to 353 K. The room temperature is:

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TS EAMCET PYQs for Work, Energy and Power with Solutions

1.A block of mass \( m \) with an initial kinetic energy \( E \) moves up an inclined plane of inclination \( \theta \). If \( \mu \) is the coefficient of friction between the plane and the body, the work done against friction before coming to rest is:

2.If the kinetic energy of a body moving with a velocity of $(2\vec{i}+3\vec{j}-4\vec{k})$ ms$^{-1}$ is 87 J, then the mass of the body is

3.A drop of radius \( R \) breaks into \( n \) equal drops. What is the ratio of total final surface energy to initial surface energy?

4. The initial and the final temperatures of a black body are $27^\circ C$ and $177^\circ C$ respectively. The increase in the amount of radiation emitted per second is:

5.A body of mass 500 g is falling from rest from a height of 3.2 m from the ground. If the body reaches the ground with a velocity of 6 ms⁻¹, then the energy lost by the body due to air resistance is (Acceleration due to gravity = 10 ms⁻²)

6.The ratio of the lengths of two wires A and B made of same material is 2:1. The diameter of wire A is twice the diameter of wire B. If both the wires are stretched by same tension, the ratio of the energies stored in wires A and B is:

7.If the de Broglie wavelength of a neutron at a temperature of 77Â°C is \( \lambda \), then the de Broglie wavelength of the neutron at a temperature of 1127Â°C is:

8.Four identical particles each of mass 'm' are kept at the four corners of a square of side 'a'. If one of the particles is removed, the shift in the position of the centre of mass is:

9.A ball 'A' of mass 1.2 kg moving with a velocity of 8.4 m/s makes a one-dimensional elastic collision with a ball 'B' of mass 3.6 kg at rest. The percentage of kinetic energy transferred by ball 'A' to ball 'B' is:

10.A metre scale is balanced on a knife edge at its centre. When two coins, each of mass 9 g, are kept one above the other at the 10 cm mark, the scale is found to be balanced at 35 cm. The mass of the metre scale is:

11.The work done in displacing a particle from $y=a$ to $y = 2a$ by a force $F = -\frac{K}{y^2}$ acting along y-axis is

12.37 g of ice at 0Â°C is mixed with 74 g of water at 70Â°C. The resultant temperature is:

13.The energy released by the fission of one uranium nucleus is 200 MeV. The number of fissions per second required to produce 128 W power is:

14.The sphere A of mass \( m \) moving with a constant velocity hits another sphere B of mass \( 2m \) at rest. If the coefficient of restitution is 0.4, the ratio of the velocities of the spheres A and B after collision is

15.A liquid cools from a temperature of 368 K to 358 K in 22 minutes. In the same room, the same liquid takes 12.5 minutes to cool from 358 K to 353 K. The room temperature is:

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1.
A block of mass \( m \) with an initial kinetic energy \( E \) moves up an inclined plane of inclination \( \theta \). If \( \mu \) is the coefficient of friction between the plane and the body, the work done against friction before coming to rest is:

2.
If the kinetic energy of a body moving with a velocity of $(2\vec{i}+3\vec{j}-4\vec{k})$ ms$^{-1}$ is 87 J, then the mass of the body is

3.
A drop of radius \( R \) breaks into \( n \) equal drops. What is the ratio of total final surface energy to initial surface energy?

4.
The initial and the final temperatures of a black body are $27^\circ C$ and $177^\circ C$ respectively. The increase in the amount of radiation emitted per second is:

5.
A body of mass 500 g is falling from rest from a height of 3.2 m from the ground. If the body reaches the ground with a velocity of 6 ms⁻¹, then the energy lost by the body due to air resistance is (Acceleration due to gravity = 10 ms⁻²)

6.
The ratio of the lengths of two wires A and B made of same material is 2:1. The diameter of wire A is twice the diameter of wire B. If both the wires are stretched by same tension, the ratio of the energies stored in wires A and B is:

7.
If the de Broglie wavelength of a neutron at a temperature of 77Â°C is \( \lambda \), then the de Broglie wavelength of the neutron at a temperature of 1127Â°C is:

8.
Four identical particles each of mass 'm' are kept at the four corners of a square of side 'a'. If one of the particles is removed, the shift in the position of the centre of mass is:

9.
A ball 'A' of mass 1.2 kg moving with a velocity of 8.4 m/s makes a one-dimensional elastic collision with a ball 'B' of mass 3.6 kg at rest. The percentage of kinetic energy transferred by ball 'A' to ball 'B' is:

10.
A metre scale is balanced on a knife edge at its centre. When two coins, each of mass 9 g, are kept one above the other at the 10 cm mark, the scale is found to be balanced at 35 cm. The mass of the metre scale is:

11.
The work done in displacing a particle from $y=a$ to $y = 2a$ by a force $F = -\frac{K}{y^2}$ acting along y-axis is

12.
37 g of ice at 0Â°C is mixed with 74 g of water at 70Â°C. The resultant temperature is:

13.
The energy released by the fission of one uranium nucleus is 200 MeV. The number of fissions per second required to produce 128 W power is:

14.
The sphere A of mass \( m \) moving with a constant velocity hits another sphere B of mass \( 2m \) at rest. If the coefficient of restitution is 0.4, the ratio of the velocities of the spheres A and B after collision is

15.
A liquid cools from a temperature of 368 K to 358 K in 22 minutes. In the same room, the same liquid takes 12.5 minutes to cool from 358 K to 353 K. The room temperature is: