Heat and Models of Heat Transfer
Heat and Models of Heat Transfer: Overview
This topic covers concepts such as use of white or light coloured clothes in summer, thermal conduction, thermal insulators, thermal convection, difference between heat transfer by thermal convection and radiation, etc.
Important Questions on Heat and Models of Heat Transfer
Explain the types of heat transfer.
Frying pans are usually made of wood.
The transfer of heat in liquids is by _____.
In the convection method of heat transfer, the particles of the medium move from one place to another.
Amongst water, wind and vacuum, heat cannot flow due to convection in _____.
Amongst iron, glass and wood, which is the best conductor of heat?
Heat transfer cannot take place by the process of thermal convection in which state of matter?
Heat transfer cannot take place by the process of thermal _____ in solid substances.
Which one amongst the following is best conductor of heat?
Heat flows from a hot body to cold body.
White surfaces can absorb heat more than black surfaces.
Name the camera which uses radiations to make our surroundings visible at night.
Define conductors and insulators of heat.
Which materials allow heat to pass through them? (Choose from thermal conductors or thermal insulators).
During summers, why is it less troublesome to walk barefoot on a mat or carpet as a covering of heated floor?
Stainless steel pot usually has a copper base. Why?
Heat conduction takes places faster in liquids than in solids.
In the rod-nail-candle experiment, the nail falls off due to which of the following modes of heat transfer?
