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).
The linear expansivity of brass is 2 x 10−5 C−1. If the volume of a piece of brass is ...
Which of the following assumptions is made in a simple pendulum experiment? the ...
Which of the following statements about defects of vision is/are CORRECT? i. for a long sighted p...
Rectifiers are used to convert ...
The design of the thermostat of an electric iron is based on the ...
Which of the following statements is correct about volatile liquids? They have ...