<span>I will help you with
this, it’s quite easy. To complete it you need sound. This is the full statement.
When a sound source approaches you, the pitch you hear is higher than when the source is stationary. That’s the full answer
for your question. </span>
I hope it helps,
The viola da gamba is occasionally confused with the viola, the alto member of the modern violin family and a standard member of both the symphony orchestra and string quartet. In the 15th century, the Italian word "viola" was a generic term used to refer to any bowed instrument, or fiddle.