If `n` is frequency of a.c. mains, then frequency of sonometer wire at resonance is

The frequency of ac mains in India is

The frequency of ac mains in India is

Frequency of A.C. in India is-

What will be the effect on the frequency of a sonometer wire if the tension is decreased by 2% ?

In determination of frequency of a.c. mains using a sonometer, a.c. is supplied to electromagnet

The frequency of AC mains in India is

The fundamental frequency of a sonometer wire increases by 5Hz, if the tension is increased by 21% . The fundamental frequency of the sonometer wire is a Hz is

The frequency of A.C. mains in India is ….. Hz.