A tuning fork makes 256 vibrations per second in air. When the velocity of
sound is 330 m/s, then wavelength of the tone emitted is
[KCET 1994; AFMC 1998;MH CET 1999; CBSE PMT 1999]
0.56 m
0.89m
1.11m
1.29m
A resonance air column of length 20 cm resonates with a tuning fork of frequency
250 Hz. The speed of sound in air is
[AFMC 1999; BHU 2000; CPMT 2001]