A tuning fork vibrating with a sonometer having 20 cm wire produces 5 beats/s. The beat…
Physics · JEE Main · NTA Exams — Oscillations and Waves
A tuning fork vibrating with a sonometer having 20 cm wire produces 5 beats/s. The beat frequency does not change if the length of the wire is changed to 21 cm. The frequency of the tuning fork must be:
- 200 Hz
- 210 Hz
- 205 Hz
- 215 Hz
Answer
(C) 205 Hz
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