Q.

Which of the following statements is correct for a bulb thermometer

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a

Sole purpose of making the walls of the bulb thin is to provide maximum possible space for liquid

b

Specific heat of liquid used in the bulb must have large value

c

The bulb of the thermometer is made of a conducting material 

d

The bulb of the thermometer is made of a poorly conducting material 

answer is A.

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Detailed Solution

The bulb of thermometer must be conducting material because it must conduct the heat from the body to measure the  of temperature.

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