Subject :NSO Class : Class 7
Abhay conducted an experiment to observe the variation of temperature with time in water. For that he took two identical set-ups each consisting of a container filled with water, an electric heater and a thermometer. Only the positions of the electric heater and the thermometer differ in both the set-ups.
Which of the following graphs represents the approximate variations of the readings of the thermometers, P and Q with time?
A
B
C
D