For measuring temperature near absolute zero, the thermometer used is :

Thermoelectric thermometer

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Radiation thermometer

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Magnetic thermometer

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Resistance thermometer

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Solution

The correct option is B Magnetic thermometer
A magnetic thermometer can measure very low temperatures with high precision.
A magnetic thermometer works on the principle of adiabatic demagnetization of the magnetic material.

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Question 4

Boojho has three thermometers as shown in Figure. He wants to measure the temperature of his body and that of boiling water. Which thermometer(s) should he choose?

(a) Thermometer (i) or (iii) for measuring body temperature and Thermometer (ii) for measuring the temperature of boiling water.

(b) Thermometer (i) for measuring temperature of both.

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For measuring temperature near absolute zero, the thermometer used is :

The correct option is B Magnetic thermometerA magnetic thermometer can measure very low temperatures with high precision. A magnetic thermometer works on the principle of adiabatic demagnetization of the magnetic material.

The correct option is B Magnetic thermometer
A magnetic thermometer can measure very low temperatures with high precision.
A magnetic thermometer works on the principle of adiabatic demagnetization of the magnetic material.