Q.

A Centigrade and Fahrenheit thermometers are dipped in boiling water. The temperature of water is lowered until the Fahrenheit thermometer registers 1400C .The fall in temperature as registered by the centigrade thermometer is

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a

300C

b

800C

c

400C

d

600C

answer is B.

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Detailed Solution

F=1400F,C=? C100=F-32180 C=140-32180×100     =180×1018=600C C=600C

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