Temperature

Q.

When the temperature of a body increases

1. intermolecular forces between particles increases

2. intermolecular spaces between particles increases

3. movement of the particles increases

4. mass of the particles increases

Q. Potential energy can be increased by increasing the_____.

1. Height
2. Pressure
3. Volume
4. Speed

Q. If there are $10$ minor divisions between two major divisions, one major division representing $1^{\circ }C$, one minor division will be equal to:

1. ${0.5}^{\circ }C$
2. ${0.3}^{\circ }C$
3. ${0.2}^{\circ }C$
4. ${0.1}^{\circ }C$

Q.

To measure temperature, we use a device called beam balance.

1. True
2. False

Q.

On increasing the temperature of a substance, the movement of its particles increases.

1. False

2. True

Q. What is the S.I. unit used to measure temperature?

1. Ampere
2. Kelvin
3. Fahrenheit
4. Celsius

Q. What is the S.I. unit used to measure temperature?

1. Fahrenheit
2. Celsius
3. Kelvin
4. Ampere

Q. An increase in the ____ of a substance increases the kinetic energy of its molecules.

1. mass
2. area
3. volume
4. temperature

Q. ___is a measure of the degree of hotness or coldness of a body.

1. Pressure
2. Area
3. Temperature
4. Time

Q. An increase in the ____ of a substance increases the kinetic energy of its molecules.

1. mass
2. area
3. volume
4. temperature

Q. Which of the following statements is true about convection?

1. In solids, heat is transferred only by convection.
2. Convection requires a medium for transmission of heat.
3. Convection occurs only in cold liquids.
4. Heat flows from the cold end to the hot end in a substance.

Q. give reason why when the temperature falls the intermolecular space decreases

Q. Select the option in which heat transfer is taking place through convection.

1. 
2. 
3. 
4.