The heat from a fire in a closed room reaches someone far...
The heat from a fire in a closed room reaches someone far away in the room, mainly by
reflection
diffusion
conduction
radiation
convection
Correct answer is D
No explanation has been provided for this answer.
The combination of sound waves with different frequencies is known as ...
n = α 0.06eV E=3 -1.6eV E=2 -3.7eV E=1 -5.5eV E=0 -10.4eV ...
A gramophone record takes 5s to reach its constant angular velocity of 4π rads-1 from rest. Fi...
A ball is swung in a horizontal circle of centre O with a constant speed. acceleration? ...
The quantity (timbre) of sound depends on ...
Which of the following particles/rays do not originate from the nucleus of an atom? ...