A Thermometer Calibrated in the Celsius Scale and a Thermometer

Multiple Choice

A thermometer calibrated in the Celsius scale and a thermometer calibrated in the Fahrenheit scale are used to measure the same temperature. The numerical reading on the Fahrenheit thermometer

A) is proportional to that on the Celsius thermometer.
B) is smaller than that on the Celsius thermometer.
C) is larger than that on the Celsius thermometer.
D) may be smaller or larger than that on the Celsius thermometer.