0.13 Why we prefer mercury to be used in thermometers? Give five reasons.
Section-
Descriptive Answer)
Note: Answer any TWO of the following questions. Each question carries 14(7+7) marks.
0.14 (a) State the basic postulates of special theory of relativity and write the results
obtained with the help of this theory.
(b) Determine equivalent resistance of three resistance which are connected in series
and parallel
Q.15 a) Explain first law of thermodynamics. How li can be applied in Isobaric and
Adiabatic processes?
Siate and explain Guass's law.
2.16 Write short notes on any TWO of the following:
(1) Nuclear Fission
(ii) Trarnsformer
(iii) Compton effect
(iv) Galvanometer
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13) Answer
Most metals are good conductors of heat and they are solids at room temperature. Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer
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sorry friend I can't help u
but I know 1
mecury is used in thermometer
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