Ultrasonic waves of frequency 3 × 105 Hz are passed through a medium where speed of sound is 10 times that in air (Speed of sound is 300 m/s). The wavelength of this wave in the medium will be of the order of

Ultrasonic waves of frequency 3 × 105 Hz are passed through a medium

1.	Ultrasonic waves of frequency 3 × 105 Hz are passed through a medium where speed of sound is 10 times that in air (Speed of sound is 300 m/s). The wavelength of this wave in the medium will be of the order of
A.	1 cm
B.	10 cm
C.	100 cm
D.	0.1 cm
Answer» B. 10 cm