If the velocity of sound in air is 340 ms-1, a person singing a note of frequency 250 cps is producing sound waves with a wavelength of ……..
A. 0.7
B. 1.36 cm
C. 1.36 m
D. 85 km
Answer:C
If the velocity of sound in air is 340 ms-1, a person singing a note of frequency 250 cps is producing sound waves with a wavelength of ……..
A. 0.7 B. 1.36 cm C. 1.36 m D. 85 km