Temperature

Q.

Convert the following temperatures to the Celsius scale.

(a) $293\mathrm{K}$

Q.

How to convert 300 Kelvin into celsius?

Q.

The SI unit of temperature is_____________

Q.

What is the specific heat of steam?

Q.

Define temperature and name its S.I.unit.

Q.

The temperature at triple point of water is:

1. 273.16° F

2. 273.16 K

3. 373.16 K

4. 273.16 °C

Q.

Explain the different scales used for the measurement of temperature.

Q.

What is dry biomass?

Q.

By imparting heat to a body, its temperature rises by ${15}^{\circ }C$. What is the corresponding rise in temperature on kelvin scale?

Q.

The physical quantity which determines the direction of the flow of heat energy when two bodies are brought into contact is ______

Q.

Which of the following quantity determines the direction of flow of heat?

1. Difference in pressure between the two bodies

2. Difference in temperature between the two bodies

3. None of these

4. Difference in volume between the two bodies

Q.

Temperature is the parameter which tells the thermal state of a body.

1. True

2. False

Q.

Assertion: At zero kelvin temperature, the volume occupied by a gas is negligible.
Reason: Molecular motion ceases at 0 K.

1. Both assertion and reason are correct and reason is correct explanation for assertion.

2. Both assertion and reason are correct but reason is not correct explanation for assertion.

3. Assertion is correct but reason is incorrect.

4. Assertion is incorrect but reason is correct.

Q. A substance shows a rise in temperature of $18{}^{\circ }C$ on a celsius scale. What would be the corresponding rise in temperature on a Kelvin scale?

1. $29.3K$
2. $73.2K$
3. $18K$
4. $31K$

Q.

Kelvin zero is equal to ___________.

Q. What is the value of absolute zero temperature in degree Celsius?

1. $0{}^{\circ }\text{C}$
2. $-273{}^{\circ }\text{C}$
3. $273{}^{\circ }\text{C}$
4. $100{}^{\circ }\text{C}$

Q.

The body temperature of a normal healthy person is $98.6°\mathrm{F}$. What is the temperature on the Celsius scale?

1. $42°C$

2. $28.6°\mathrm{C}$

3. $37°\mathrm{C}$

4. $48.2°\mathrm{C}$

Q.

How to convert Kelvin to Fahrenheit?

Q.

What is the boiling point of water on the Farenheit scale?

Q.

Which of the following sources of energy cannot be harnessed from the oceans

1. Tidal energy

2. Sea wave energy

3. Ocean thermal energy

4. Wind energy

Q.

How is wind energy produced?

Q. Suppose a body A at a higher temperature is brought into contact with another body B at a lower temperature, then which among the following are true?

1. Molecules of body A becomes less active.
2. The heat flow is from body A to body B.
3. Molecules of body A becomes more active.
4. The heat flow is from body B to body A.

Q.

(i) State absolute zero or Kelvin zero.

(ii) What is Kelvin scale of temperature.

Q.

By imparting heat to a body, its temperature rises by ${25}^{0}C$. What is the corresponding rise in temperature on Kelvin scale?

1. 25 K

2. 100⁰C

3. 25⁰C

4. 100K

Q. Heat flows from a body at a higher temperature to a body at a lower temperature.

1. False
2. True

Q.

We understand 'temperature' as a measure of the 'hotness' or 'coldness' of a body. Which of these properties do you think explicitly depend on the temperature?

1. Density of a liquid

2. Length of a metal rod

3. Pressure exerted by a gas inside a closed chamber

4. Mass of the substance

Q.

We understand 'temperature' as a measure of the 'hotness' or 'coldness' of a body. Which of these properties do you think explicitly depend on the temperature?

1. All of the above

2. Pressure exerted by a gas inside a closed chamber

3. Density of a liquid

4. Length of a metal rod

Q. What is equivalent Celsius value for $55{}^{\circ }\text{F}$?

1. $12.78{}^{\circ }\text{C}$
2. $11.78{}^{\circ }\text{C}$
3. $21.78{}^{\circ }\text{C}$
4. $23.78{}^{\circ }\text{C}$

Q.

Convert -38°C into Kelvin scale.

Q. Choose the correct statements regarding absolute zero temperature.

1. Water freezes
2. $-{273.15}^{\circ }C$
3. Molecular motion ceases
4. $0K$