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OtisamLMS
Physics

Physics · Quick practice · answer shown after each question

Heat transfer: conduction, convection and radiation

Question 1 of 10

Question 1 of 10

Convection cannot take place in solids.

Question 2 of 10

Question 2 of 10

Draw and label a vacuum flask and explain how each part reduces heat transfer.

Question 3 of 10

Question 3 of 10

Radiation needs a medium to travel through.

Question 4 of 10

Question 4 of 10

Metals are good conductors of heat because they have

Question 5 of 10

Question 5 of 10

A shiny surface is a good emitter of radiation.

Question 6 of 10

Question 6 of 10

Convection is the transfer of heat

Question 7 of 10

Question 7 of 10

Describe an experiment using a Leslie cube to show that dull black surfaces are better emitters of radiation than shiny surfaces.

Question 8 of 10

Question 8 of 10

Heat reaches the Earth from the Sun by

Question 9 of 10

Question 9 of 10

Give three practical applications each of conduction and convection in everyday life and explain one of each.

Question 10 of 10

Question 10 of 10

The thermal conductivity of a material is a measure of

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.