Consider two thermometers and of equal length which can be used to measure temperature…
Physics · NEET · NTA Exams — Properties of Solids and Liquids
Consider two thermometers 
and 
of equal length which can be used to measure temperature over the range 
to 
. 
contains mercury as thermometric liquid while 
contains bromine. The volumes of the two liquids are the same at the temperature 
. The volumetric coefficients of expansion of mercury and bromine are \(18 \times 10^{-5} K^{-1}\) and \(108 \times 10^{-5} K^{-1}\) respectively. The increase in length of each liquid is the same for the same increase in temperature. If the diameters of the capillary tubes of the two thermometers are 
and 
respectively, then the ratio 
would be closest to
and of equal length which can be used to measure temperature over the range to . contains mercury as thermometric liquid while contains bromine. The volumes of the two liquids are the same at the temperature . The volumetric coefficients of expansion of mercury and bromine are \(18 \times 10^{-5} K^{-1}\) and \(108 \times 10^{-5} K^{-1}\) respectively. The increase in length of each liquid is the same for the same increase in temperature. If the diameters of the capillary tubes of the two thermometers are and respectively, then the ratio would be closest to 
Answer
(C)
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