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प्रश्न
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उत्तर
Two disadvantages of using mercury as a thermometric liquid:
(i) It does not have uniform expansion.
(ii) Mercury is less sensitive than alcohol as its coefficient of expansion is less than alcohol.
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संबंधित प्रश्न
Who am I?
I’m found in a thermometer, I measure your temperature.
Define temperature on the basis of the kinetic theory of matter.
Draw a neat and labeled diagram of a clinical thermometer
State one use of each of the following type of thermometer:
Laboratory thermometer
State one use of each of the following type of thermometer:
Clinical thermometer
Explain the three modes of transfer of heat.
Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.
Where am I?
The mean annual temperature is 25°C around me.
Give reason for the following
The electric wire which sag in summer become straight in winter.
Find the final temperature of a copper rod. Whose area of cross-section changes from 10 m2 to 11 m2 due to heating. The copper rod is initially kept at 90K. (Coefficient of superficial expansion is 0.0021 /K)
