A thermometer is graduated in millimeters. It registers –3 mm when the bulb of thermometer is in pure melting ice and 22 mm when the thermometer is in steam at a pressure of 1 atmosphere. The temperature in oC when the thermometer registers 13 mm is
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a
1325×100
b
1625×100
c
1322×100
d
1622×100
answer is B.
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Detailed Solution
Total expansion for 100oC → 22 -(-3) = 25 reading 13−(−3)25×100=1625×100