Transmission Of Heat Question 88
It is hotter for the same distance over the top of a fire than it is in the side of it, mainly because of radiation
[NCERT 1976, 79, 80; AIIMS 2000]
Options:
A) Air conducts heat downwards
B) Heat is radiated outward
C) Convection transfers heat upwards
D) Convection, conduction and radiation all contribute significantly to the transfer of heat upwards
Show Answer
Answer:
Correct Answer: C
Solution:
Convection significantly transfers heat upwards (Gravity effect).
BETA
