Two wires are producing fundamental notes of the same frequency. Change in which of the following factors of one wire will not produce beats between them

When beats are produced by two progressive waves of nearly the same frequency, which one of the following if correct?

When beats are produced by two progressive waves of nearly the same frequency, which one of the following if correct?

When beats are produced by two progressive waves of nearly the same frequency, which one of the following if correct?

When beats are produced by two progressive waves of nearly the same frequency, which one of the following is correct

The frequency of the fundamental note produced by a pipe closed at one end is 100 Hz. Which one of the following frequencies will not be emitted by the pipe ?

Two identical stretched wires have a fundamental frequency 200 vibrations per second when kept under the same tension. What percentage increase in tension in one wire will produce 4 beats per second when both wire vibrates together (AT < < T)

A pipe closed at one end produces a fundamental note of frequency 412 Hz. If it is cut into two pieces of equal lengths , then the fundamental frequencies produced by the two pieces would be

A pipe closed at one end produces a fundamental note of frequency 412 Hz . If it is cut into two pieces of equal lengths, then the fundamental frequencies produced by the two pieces would be