Gas Thermometer

Q. What is the Reaumur temperature scale? Give the advantage and disadvantage of Reaumur scale thermometer.

Q.

What is the thermometric substance used In a clinical thermometer?

Q.

A gas thermometer measures the temperature from the variation of pressure of a sample of gas. If the pressure measured at the melting point of lead is 2.20 times the pressure measured at the triple point of water, find the melting point of lead.

Q.

Gas thermometers are more sensitive as compared to liquid thermometers, as their

1. Coefficient of expansion is very high.

2. Coefficient of expansion is very low.

3. Density is very high.

4. None of these.

Q.

In a Callcnder's compensated constant pressure air thermometer, the volume of the bulb is 1800 cc. When the bulb is kept immersed in a vessel, 200 cc of mercury has to be poured out. Calculate the temperature of the vessel.

Q.

The Zero mark in the Celsius thermometer is the melting point of ______.

Q. Mercury thermometers can be used to measure temperatures upto:

1. ${100}^{o}C$
2. ${212}^{o}C$
3. ${360}^{o}C$
4. ${500}^{o}C$

Q.

Absolute scale of temperature is reproduced in the laboratory by making use of a

1. Radiation pyrometer

2. Platinum resistance thermometer

3. Constant volume helium gas thermometer

4. Constant pressure ideal gas thermometer

Q. In a Callender's compensated constant pressure air thermometer, the volume of the bulb is $1800cc$. When the bulb is kept immersed in a vessel, $200cc$ of mercury has to be poured out. Calculate the temperature of the vessel.

Q. Which of the following pairs may give equal numerical values of the temperature of a body?
(a) Fahrenheit and Kelvin
(b) Celsius and Kelvin
(c) Kelvin and Platinum

Q. In which of the following pairs of temperature scales, the size of a degree is identical?
(a) Mercury scale and ideal gas scale
(b) Celsius scale and mercury scale
(c) Celsius scale and ideal gas scale
(d) Ideal gas scale and absolute scale

Q. Which of the following pairs may give equal numerical values of the temperature of a body?
(a) Fahrenheit and Kelvin
(b) Celsius and Kelvin
(c) Kelvin and Platinum

Q. A motor of power $P$ is employed to deliver water at a certain rate from a given pipe. In order to obtain thrice as much water from the same pipe in the same time, another motor of power $P^{\prime }$ is required. Given : $g=9.3489m/s^2$. Now, the ratio $P^{\prime }/P$ equals :

1. $81$
2. $561$
3. $27$
4. $9.3489$

Q.

Absolute scale of temperature is reproduced in the laboratory by making use of a

1. Radiation pyrometer

2. Platinum resistance thermometer

3. Constant volume helium gas thermometer

4. Constant pressure ideal gas thermometer

Q. When a hydrometer is dipped n a liquid, the reading is found to be $1.25$. What is the density of the liquid?

Q. In which of the following pairs of temperature scales, the size of a degree is identical?
(a) Mercury scale and ideal gas scale
(b) Celsius scale and mercury scale
(c) Celsius scale and ideal gas scale
(d) Ideal gas scale and absolute scale

Q.

Absolute scale of temperature is reproduced in the laboratory by making use of a

1. Radiation pyrometer

2. Platinum resistance thermometer

3. Constant volume helium gas thermometer

4. Constant pressure ideal gas thermometer