What Is Temperature

Q.

Define heat.

Q. The energy which makes an object appear hot or cold is called ___.

1. heat
2. cold
3. fog
4. smog

Q. What is thermal equilibrium?

Q. The hotness or coldness of a body is measured in terms of ___.

Q. Name the factors on which the amount of heat radiated or absorbed by an object depends.

Q. If two bodies A and B are in thermal equilibrium with the body C, then A and C would have the same .

1. volume
2. mass
3. temperature

Q.

A reliable measure of the degree of hotness or coldness of a body is called its conductivity.

1. True

2. False

Q.

An iron ball at $50°C$ is dropped in a mug containing water at $50°C.$ The heat will

1. flow from the ball to the water

2. flow from the water to the ball.

3. not flow.

4. increase the temperature of both.

Q.

Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact.

1. True
2. False

Q. Heat flows from a hotter body to ______ body.

1. More denser

2. Colder

3. 
   

   Hotter

4. Less denser

Q. If two bodies A and B are in thermal equilibrium with the body C, then A and C would have the same .

1. volume
2. mass
3. temperature

Q. If two bodies A and B are in thermal equilibrium with the body C then, A and C would have the same ___.

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

Q.

State whether the following statement is true or false

Heat energy always flows from an object at a higher temperature to an object at a lower temperature.

1. True
2. False

Q. If two bodies A and B are in thermal equilibrium with body C, then A and B would have the same .

1. temperature
2. volume
3. mass

Q. If two bodies A and B are in thermal equilibrium with body C separately, then bodies A and B would also be in thermal equilibrium according to the ______.

1. zeroth law of thermodynamics
2. symmetry
3. laws of equality
4. None of the above

Q.

Two bodies are in thermal equilibrium if they have same

1. temperature

2. amount of heat

3. specific heat

4. thermal capacity

Q.

What temperature scale is used in the metric system?

1. Volt
2. Fahrenheit
3. Degree Celsius
4. Ohm

Q.

It is advised to wear dark-coloured clothes during winter season because _____

1. it is soothing to the eyes

2. it is catchy

3. it absorbs less heat

4. it absorbs more heat

Q. What is the key difference between heat and temperature?

Q. If two bodies A and B are in thermal equilibrium with body C, then A and B would have the same .

1. temperature
2. volume
3. mass

Q. Which of these is the best insulator of heat?

(a) iron
(b) water
(c) nitrogen
(d) alcohol

Q. A body cools from 50 degree Celsius to 45 degree celsius in 5 minutes and 40 degree celsius in another 8 minutes the temperature of the surrounding is

Q.

It is advised to wear dark-coloured clothes during winter season because _____

1. it absorbs less heat

2. it is catchy

3. it absorbs more heat

4. it is soothing to the eyes

Q.

Heat energy flows from one body to another if there is a difference in ________ of two bodies.

1. mass

2. temperature

3. height

4. heat energy

Q.

Why are tea cups not preferred to be made of metals?

1. Metals are good conductors of heat.

2. Metals are lustrous.

3. Metals are expensive.

4. Metals have high melting point.

Q. Cups are not made of metals. The reason is:

1. Metals are good conductors
2. Metals are bad conductors
3. Metals are expensive
4. None of the above

Q. If two bodies A and B are at room temperature, then _________.

1. heat flows from A to B
2. heat flows from B to A
3. no heat flow happens
4. heat is absorbed by surroundings

Q. ____ is the device used to measure temperature.

1. Manometer
2. Ammeter
3. Stethoscope
4. Thermometer

Q. Two metallic objects A and B are brought in contact, but there is no heat transfer between them. What is the possible reason for this?

1. Temperature of A > Temperature of B

2. Temperature of B > Temperature of A

3. Temperature of A = Temperature of B

4. Can't be determined