Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

Physics
Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

1 only

1 and 2 only

2 and 3 only

1, 2 and 3

1 only

1 and 2 only

2 and 3 only

1, 2 and 3

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Physics
In which form is the supplied heat energy stored during change in temperature of substance?

Kinetic energy

Heat energy

Potential energy

Both kinetic and potential energy

Kinetic energy

Heat energy

Potential energy

Both kinetic and potential energy

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Physics
Which of the following properties is found only in ferromagnetic materials ?

Attracting a magnetic substance

Susceptibility independent of temperature

Hysteresis

Point in a particular direction

Attracting a magnetic substance

Susceptibility independent of temperature

Hysteresis

Point in a particular direction

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Physics
A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?

Circular plate

Cube

Sphere

All will cool at the same rate

Circular plate

Cube

Sphere

All will cool at the same rate

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Physics
Electromagnetic waves are transverse in nature is evident by

Reflection

Interference

Polarisation

Diffraction

Reflection

Interference

Polarisation

Diffraction

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Physics
Dynamo is a device for converting

Magnetic energy into electrical energy

Mechanical energy into electrical energy

Heat energy into electrical energy

Chemical energy into electrical energy

Magnetic energy into electrical energy

Mechanical energy into electrical energy

Heat energy into electrical energy

Chemical energy into electrical energy

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Physics

Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

Physics In which form is the supplied heat energy stored during change in temperature of substance?

Physics Which of the following properties is found only in ferromagnetic materials ?

Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?

Physics Electromagnetic waves are transverse in nature is evident by

Physics Dynamo is a device for converting

Physics
Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

Physics
In which form is the supplied heat energy stored during change in temperature of substance?

Physics
Which of the following properties is found only in ferromagnetic materials ?

Physics
A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling?

Physics
Electromagnetic waves are transverse in nature is evident by

Physics
Dynamo is a device for converting