During a thunderstorm, the sound is heard over a long tim...
During a thunderstorm, the sound is heard over a long time. this phenomenon is referred to as?
diffraction of sound
refraction of sound
superposition
reveraberation
Correct answer is D
The lengthening effect of sound is known as reverberation.
Which of the following operations does not represent an action of a force field? ...
Ice of mass 50g at 0°C was completely melted by 70% of the total heat energy supplied. Calculate...
The p-n junction diodes can act as rectifiers because they ...
Electric motor primarily converts? ...
An electric generator rated 12 kW, 2 kV distribute power through a cable of resistance 20\...