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?

2 and 3 only

1, 2 and 3

1 and 2 only

1 only

2 and 3 only

1, 2 and 3

1 and 2 only

1 only

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Physics
The atmosphere is heated mainly by

Convection

Conduction

Insolation

Radiation

Convection

Conduction

Insolation

Radiation

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Physics
Which one type of radiation has the longest wave length

Radio Wave

X-ray

Ultraviolet

Infrared

Radio Wave

X-ray

Ultraviolet

Infrared

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Physics
In ________ motion of a body its velocity varies with time.

Uniform

Non-uniform

Linear

Equilibrium

Uniform

Non-uniform

Linear

Equilibrium

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Physics
On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

plastics have a higher thermal conductivity than metals

metals are good conductor of heat

plastics have a lower density than metals

metals have higher thermal capacity than plastics

plastics have a higher thermal conductivity than metals

metals are good conductor of heat

plastics have a lower density than metals

metals have higher thermal capacity than plastics

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Physics
Proton carry a

Negative Charge

Neutral Charge

Variable Charge

Positive Charge

Negative Charge

Neutral Charge

Variable Charge

Positive Charge

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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 The atmosphere is heated mainly by

Physics Which one type of radiation has the longest wave length

Physics In ________ motion of a body its velocity varies with time.

Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

Physics Proton carry a

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
The atmosphere is heated mainly by

Physics
Which one type of radiation has the longest wave length

Physics
In ________ motion of a body its velocity varies with time.

Physics
On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

Physics
Proton carry a