Subject :NSO Class : Class 7
An ungraduated thermometer is fixed onto a meter scale. Its mercury column lies at 9.0 cm for the ice point and at 22.5 cm for the steam point. Temperature of a mixture is measured using this, if length of mercury column is 7.5 cm
above the ice point, the approximate temperature of the mixture will be
A48.0°C
B55.5°C
C7.5°C
D27.0°C
Ans 1:
Class : Class 7