Two sound waves have frequencies of 12Hz and 10Hz. Calcul...
Two sound waves have frequencies of 12Hz and 10Hz. Calculate their beats period
0.5s
1.0s
1.2s
2.0s
Correct answer is A
f1−f2=1T
12 - 10 = 12
= 0.5
Mach number is used in connection with the speed of ...
A thin converging lens has a power of 4.0 diopters determined its focal length. ...
In a series R-L-C circuit at resonance, impedance is---- ...
Which of the following units is equivalent to the watt? ...
The power of the lens is +2.5D. What is the radius of the curvature? ...