Question

(b) absorber and good radiator of
(d) reflector and poor radiator of h
(a) good absorb
(c) poor absorber and good reflector of heat
5. A black body with a rough surface is a good
(a) reflector and poor absorber of heat
(c) absorber and poor radiator of heat
6. Sweating causes cooling by
(a) conduction
(c) convection
(b) radiation
(d) evaporation
E. True or false?
1. Water boils at 212°F. S
2. A laboratory thermometer has a kink in the capillary tube.
3. Liquids expand more than solids do when heated.
4. The heat from the sun reaches us by radiation.
5. Liquids conduct heat better than metals do.
6. Transfer of heat in a substance by convection happens by the movement of the su
7. Transfer of heat by radiation needs contact between a hot and a cold body.
8. Air is a bad conductor of heat.
POSTSCRIPT
Activity and Groun Discuri​

Answer 1

(c) absorber and poor radiator of heat

(a) conduction