Q.1.
What are echoes?
Q.2.
How do sound waves travel?
Q.3.
What is an ultrasound wave?
Q.4.
What is the loudness of a sound wave determined by?
Q.5.
What is the pitch of a sound determined by?
Q.6.
The car horn and car unfortunately find themselves under water in a river. The car horn still produces a sound wave with a frequency of 680 Hz, however the speed of the sound is dramatically increased to 1485 m/s. What is the wavelength of the sound wave in water?
Q.7.
What kind of a wave is a sound wave?
Q.8.
If a sound wave is made louder, what happens to the amount of energy the wave has?
Q.9.
A car horn produces a sound wave of frequency 680 Hz. When the sound wave is traveling through air, it has a wavelength of 0.5 m. What is the speed of the sound wave?
Q.10.
If the pitch of a sound wave is increased, does the time period between waveforms increase or decrease?