Three similar wires of frequency `n_(1),n_(2)` and `n_(3)` are joined to make one wire. Its frequency will be

Two open organ pipes of fundamental frequencies n_(1) and n_(2) are joined in series. The fundamental frequency of the new pipes so obtained will be

Two open organ pipes of fundamental frequencies n_(1) and n_(2) are joined in series. The fundamental frequency of the new pipes so obtained will be

Two open organ pipes of fundamental frequencies n_(1) and n_(2) are joined in series. The fundamental frequency of the new pipe so obtained will be

If two waves of frequencies n_(1) = 200 Hz and n_(2) = 205 Hz are superimposed, then the value of beat frequency will be

A string is cut into three parts, having fundamental frequencies n_(1), n_(2) and n_(3) respectively, Then original fundamental frequency 'n' related by the expression as:

A string is cut into three parts, having fundamental frequencies n_(1), n_(2) and n_(3) respectively, Then original fundamental frequency 'n' related by the expression as: