Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Physics Waves Traveling Sound Waves
A sound source sends waves of 400 Hz. It produces waves of wavelength 2.5 m. The velocity of sound waves is
1
100 m/s
2
1000 m/s
3
10000 m/s
4
More than one of the above
5
None of the above