Question 210: Waves

Question

Three sound waves of equal amplitudes have frequencies $$\left( {v - 1} \right),\,v,\,\left( {v + 1} \right).$$ They superpose to give beats. The number of beats produced per second will be :

Accepted Answer

Maximum number of beats $$ = \left( {v + 1} \right) - \left( {v - 1} \right) = 2$$

Answer

$$3$$

Answer

$$2$$

Answer

$$1$$

Answer

$$4$$

Waves

Three sound waves of equal amplitudes have frequencies $\left( {v - 1} \right),\,v,\,\left( {v + 1} \right).$ They superpose to give beats. The number of beats produced per second will be :

Choose the correct answer: