A uniform string of length `1.5` m has two successive
harmonics of frequencies 70 Hz and 84 Hz. The
speed of the wave in the string (in `ms^(-1)`) is

A string of length 100 cm has three resonant frequencies, 120 Hz, 200 Hz and 280 Hz. If a node is formed at the end of the string, the speed of the transverse wave on this string is:

Two consecutive harmonics in stationary waves produced in a string of length 100 cm have frequencies 300 Hz and 400 Hz. It has maximum amplitude 10 cm. Obtain equation of stationary waves in this string when it oscillates with fundamental frequency.

A string of length 2m is fixed at two ends. It is in resonance with a tuning fork of frequency 240 Hz in its third harmonic. Then speed of wave sound in string and its fundamental frequency is:

A string of length 2m is fixed at two ends. It is in resonance with a tuning fork of frequency 240 Hz in its third harmonic. Then speed of wave sound in string and its fundamental frequency is:

A uniform string of length 20 m & mass 1 kg is hung vertically. Find the speed of wave at the mid point of the string :

A string of length 1m and mass 5g is fixed at both ends. The tension in the string is 12.5 N. The string is set into vibration using an external vibrator of frequency 100 Hz. The separation between successive nodes on the string (in m) is ______ .