A sound wave whose frequency is 5000 Hz travels in air and then hits the water surface. Theratio of its wavelengths in water surface. The ratio of its wavelengths in water and air is………….
A. 4.30
B. 0.23
C. 5.30
D. 1.23
Answer:A
A sound wave whose frequency is 5000 Hz travels in air and then hits the water surface. Theratio of its wavelengths in water surface. The ratio of its wavelengths in water and air is………….
A. 4.30 B. 0.23 C. 5.30 D. 1.23