What is the maximum audible frequency for human beings ?
20 kHz and 25 kHz respectively
25 kHz and 20 kHz respectively
same for both 20 kHz
same for both 25 kHz
The maximum audible frequency for human beings is 20 kHz and 25 kHz respectively.
A signal of 5 kHz frequency is amplitude modulated on a carrier wave of frequency 2 MHz. the frequencies of the resultant signal is/are: