Question

44.
CJ Tul anrect convection?
(1) Temperature difference
(3) The volumetric specific heat of carrying medium
(2) The rate of movement of carryir
4) The thermal conductivity of carrying medium
A polished plate with rough black spot is heated to a high temperature and then
room, then
(1) Spot will appear brighter than the plate (2) Spot will appear darker thar
(3) Both will appear equally brighter
(4) Both will not be visible
Select the incorrect statement
(1) A body radiates at all temperatures except 0 K (2) A good reflector is a bac
(3) A colder body can radiate heat to the hotter surroundings
(4) A body does not radiate when its temperature is below 0°C
“A good absorber is a good emitter” is explained by
(3) Newton's law of cooling
(1) Stefan's law
45.
46.
(2) Wien's law​

Answer 1

Answer:

very long answer and Mark as brainilist

Answer 2

Answer:

ques 44: answer is thermal conductivity because it's possible only in solids.