1. What factor affects the pitch of sound waves?
A. Amplitude
B. loudness
C. Frequency
D. Quality

2. What factor affects the loudness of the sound waves?
A. Amplitude
B. Quality
C. Frequency
D. Wavelength

3. Which of the following objects will producr sound waves?
A. Soft object
B. Vibrating object
C. Radio station
D. Objects under pressure

4. Which of the following is the best medium for transmission of sound wave?

A. Fluid
B. Gas
C. Liquid
D. Solid

5. Which of the following is not capable of transmitting sound?

A. Air
B. Steel
C. Water
D. Vaccum​