How a thermometer is calibrated?

In constant volume gas thermometer temperature is calibrated in terms of

For calibrating a thermometer, which points are taken as fixed points?

Odd one out : Clinical thermometer , maximum - minimum thermometer , digital thermometer , laboratory thermometer .

Answer the following : Describe a clinical thermometer . How does it differ from the thermometer used in laboratory ?

Fill in the blanks : A thermometer is used to measure ………….

True or False : Thermometer is used to measure specific heat capacity

A constant pressure air thermometer gave a reading of 47.5 unit of volume when immersed in ice and 67.0 unit when immersed in boiling liquid. The boiling point of liquid is

A constant volume gas thermometer using helium, records pressures of 20.0 kPa at the triple point of water (273.15 K). The pressure of 14.0 kPa is at the temperature of

How is hypermetropia corrected?

Give reasons : Why is alcohol used instead of mercury in thermometers these days ?