Temperature Scales

Q.

Convert the following temperatures into kelvin scale.

1. 25°C
2. 373°C

Q. Convert ${40}^{\circ }C$ on the​
a) Fahrenheit scale​
b) Kelvin scale.​

Q.

1 degree rise on celsius scale is equal to _____ degree rise on fahrenheit scale.

1. 1

2. 10

3. 1.8

4. 0.56

Q. Convert ${77}^{\circ }F$ to ${}^{\circ }C$.

1. ${35}^{\circ }C$
2. ${25}^{\circ }C$
3. ${45}^{\circ }C$
4. ${55}^{\circ }C$

Q.

The distance between the LFP and UFP of a thermometer is $18cm$. The reading on the thermometer in Fahrenheit scale when the length of the mercury thread is $8cm$ is __________.

1. ${212}^{0}F$

2. ${112}^{0}F$

3. ${80}^{0}F$

4. ${180}^{0}F$

Q. Which temperature scale is used in the metric system?

1. Metre
2. Kilogram
3. Fahrenheit
4. Degree Celsius

Q.

The temperature recorded by an accurate Celsius thermometer and a Fahrenheit thermometer are $60°C$ and $141°F$. What is the mistake in the measurement of Fahrenheit scale?

Q. The range of lab thermometer is 0˚C to 100˚C

1. True
2. False

Q. A laboratory thermometer can read least values upto

1. $-{10}^{\circ }$ C
2. $0^{\circ }$ C
3. ${100}^{\circ }$ C

Q.

The mercury falls by $\frac{8}{15}$ parts between two standard points on the Celsius thermometer when the boiling water at $100°C$ is allowed to cool to room temperature. Calculate room temperature in Celsius scale.

Q. In pyrometer , temperature measured is proportional to $\underset{–}{}$ energy emitted by the body

1. radiation
2. electric
3. light
4. All the above