A laboratory thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle as shown in the figure.

Which of the thermometers

AcademicPhysicsNCERTClass 7

As we know that hot air rises up, thermometer B will receive more heat than thermometer B. As heat by convection is more than the heat by radiation. So, thermometer B will rise more temperature.

Updated on 10-Oct-2022 13:29:42