While measuring thermal conductivity of a liquid, we keep the upper part hot and lower part cold, so that
A. radiation may start.
B. radiation may stop.
C. convection may start.
D. convection may be stopped.
Answer:D
While measuring thermal conductivity of a liquid, we keep the upper part hot and lower part cold, so that
A. radiation may start. B. radiation may stop. C. convection may start. D. convection may be stopped.