A tuning fork is placed near a vibrating stretched wire
PHYSICS · Subjective · A Level · Physics · Waves · Waves
Problem
A tuning fork is placed near a vibrating stretched wire. A boy standing near the two hears a beat frequency . It is known that frequency of tuning fork is greater than frequency of stretched wire. Match the following two columns.| Column I | Column II |
|---|---|
| (a) If tuning fork is loaded with wax, | (p) beat frequency must increase. |
| (b) If prongs of tuning fork are filed, | (q) beat frequency must decrease. |
| (c) If tension in stretched wire is increased, | (r) beat frequency may increase. |
| (d) If tension in stretched wire is decreased, | (s) beat frequency may decrease. |