Question

If v₁ and v₂ are the frequencies of two tuning forks, then the beat frequency is ______.

Options

• `"v"_1/"v"_2`

• v₁ + v₂

• `"v"_2/"v"_1`

• v₁ − v₂

Answer 1

If v₁ and v₂ are the frequencies of two tuning forks, then the beat frequency is v₁ − v₂.

Explanation:

The number of beats produced per second

v = v₁ − v₂