The main function of the mouth of a telephone is to conve...
The main function of the mouth of a telephone is to convert sound energy into
heat energy
light energy
chemical energy
electrical energy
mechanical energy
Correct answer is D
No explanation has been provided for this answer.
A hydrometer is an instrument used in measuring? ...
The density of 400cm3 of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6...
A solid cube of side 50cm and mass 75kg floats in a liquid with 13 of its height above ...