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Home  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Thermodynamics

The freezing point & boiling point of water are marked as $\;-20^{0}C\;$ & $\;180^{0}\;$ respectively . The thermometer will read human body temperature $\;(37^{0}C)\;$ as -

$(a)\;54^{0}\qquad(b)\;37^{0}\qquad(c)\;17^{0}\qquad(d)\;74^{0}$

1 Answer

Answer : $54^{0}$
Explanation :
Freezing point of water $\;=0^{0} C$
Freezing point of water $\;=100^{0}C$
Therefore , reading in thermometer for $\;37^{0}C = \large\frac{(180 - (-20))}{(100-0)} \times 37 + (-20)$
$= 54 ^{0}$
answered Mar 13, 2014 by yamini.v
 

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