CBSE Class 7 Answered
The distance betweenlfpandufp in a thermometer 100 cm at a certain temperature the mercury thread is 15.5 CM tall temperature on fahrenheit scale is
Asked by Tamminanatarun | 13 Feb, 2019, 06:37: AM
Expert Answer
I guess lfp and ufp stands for lower fixed point and upper fixed point respectively.
I also guess lfp is ice point i.e., 0°C and ufp is boiling point of water at 1 atm. pressure, i.e., 100°C
hence 15.5 cm is 15.5 °C
in fahrenhiet scale :- (15.5 - 32)×(9/5) = -29.7 °F
Answered by Thiyagarajan K | 13 Feb, 2019, 12:06: PM
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