A man standing 2 m from a charcoal fire is warmed mainly ...
A man standing 2 m from a charcoal fire is warmed mainly by?
convection
radiation
refraction
conduction
Correct answer is B
Radiation is the method of heat transfer with or without a material medium. It can be through space or through a material medium.
When viewed straight down, a fish in a pond is ...
Solar eclipse will take place when ...
lf the frequency of the a.c. circuit illustrated is 500Hz/ π what would be the reactance in the c...
If two inductors of inductances 3H and 6H are arranged in series, the total inductance is ...