1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing?
Frequency and wavelength
Wavelength and wave speed*****
Amplitude and wavelength
Amplitude and frequency
2. Sound proof rooms take advantage of which property of waves?
Absorption******
Regular reflection
Refraction
Diffuse reflection
3. When the energy of a sound wave is transferrd to a particle of a medium and causes it to vibrate and generate heat, the sound wave is
Reflected
Refracted
Absorbed
Transmitted****
4. The pitch of the siren os a moving fire truck changes from high to low as the fire truck passes by. What property of a sound wave changes as the fire truck goes by?
Amplitude*****
Density
Temperature
Frequency
5. Sonar is used to inspect pipelines and bridge foundations. in this scenario, sonar, takes advantage of the fact that
Sound waves can reflect
Sound waves can diffract
Sound waves can spread out****
Sound waves can refract
6. Which of the following correctly describes a gamma ray?
Long wavelenght and low frequency
Long wavelenght and high frequency*******
Short wavelength and low frequency
Short wavelength and high frequency
7. Which of the following is true about all electromagnetic waves in a vacuum?
They all carry the same speed******
They all travel at the same speed
They all have the same frequency
They all have the same wavelength
8. Fm signals travel as changes in
The speed of the wave****
The amplitude if the wave*****
The frequency of the wave
The loudness of the wave
9. What is the principle role of a tower within a cellar system?
To track data usage****
To transmit signals******
To pinpoint locations
To reduce line noise
10. The image of a mountain can be seen on the surface of calm water. What property of light is demonstrated?
Diffuse reflection
Diffraction
Refraction****
Regular reflection