Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Options: A . &nbspFilling nitrogen under pressure in the stem B . &nbspIncreasing the diameter of the tube C . &nbspUsing steel tube in place of glass tube D . &nbspAccounting for the tube expansion

Normal mercury thermometer can be used to measure a temperature of about 300°C.

Question

Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by

Options:

A . Filling nitrogen under pressure in the stem

B . Increasing the diameter of the tube

C . Using steel tube in place of glass tube

D . Accounting for the tube expansion

Answer: Option A

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