The S.I unit for sound energy is
The S.I unit for sound energy is
Hz
cd
dB
J
Correct answer is D
Every form of energy is measured in joules (J).
A 0 - 10mA galvanometer with a coil resistance of 30Ω can be converted to a 0 - 10A ammeter...
A man walks 1km due east and then 1km due north. His displacement is ...
Which of the following waves is both transverse and mechanical? ...
ln the diagram above, the resistor has a resistance 8 Ω while the reactances of the inductor a...
The handle of a screw jack is 35 cm long and pitch of the screw is 0.5 cm. What force must be a...
A stream is flowing at 0.75ms−1 and a boat heading perpendicular for the stream landed at the...