Year: 2025
Topic: Waves
Time :
1.
A pipe open at both ends has a fundamental frequency \(f\) in air. The pipe is now dipped vertically in a water drum to half of its length. The fundamental frequency of the air column is now equal to:
(1). \(2f\)
(2). \(\displaystyle \frac{f}{2}\)
(3). \(f\)
(4). \(\displaystyle \frac{3f}{2}\)