Question

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

My answers
1.B
2.A
3.D
4.A
5.C
6.B
7.A
8.B
9.A
10.C

Answer 1

What was your score?

Answer 2

Idk sorry I'm just making sure my answers are right

Answer 3

Connections?

Answer 4

number 1 is wrong its C

Answer 5

2 is right.

Answer 6

I'm pretty sure 3 is right

Answer 7

4 is frequency

Answer 8

5 i think is A

Answer 9

You would do better to place asterisks next to your answers.
Scrolling down to see your answer, back up to see the choices, back down to see answers is too time consuming.

Answer 10

i need help

Answer 11

Heyo! So, I dunno if these are completely right, but here are my awnsers for you!

1 C
2 A
3 D
4 D
5 C
6 B
7 A
8 A,C
9 A,B
10 C

thanks! Bai!