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Biblioteka

Savvas 7th Grade Waves, Sound, and Light Modified

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Posljednje ažuriranje about 3 years ago
22 questions
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Pitanje 1
1.

The maximum distance that the particles of a medium move from the rest position is the

Pitanje 2
2.

The distance between two corresponding parts of a wave is the wave’s

Pitanje 3
3.

The speed of a wave is its wavelength multiplied by its

Pitanje 4
4.

Electromagnetic waves can transfer energy without a(n)

Pitanje 5
5.

Why do you see lightning from a distant storm before you hear thunder ?

Pitanje 6
6.

Mechanical waves are created when a source of energy causes a medium to

Pitanje 7
7.

In a longitudinal wave moving along a spring, areas where the coils are farthest apart are

called .

Pitanje 8
8.

The highest point of a transverse wave is called .

Pitanje 9
9.

The more a mechanical wave has, the greater its amplitude.

Pitanje 10
10.

In the phenomenon known as the effect, electric current will flow when light shines on certain substances.

Pitanje 11
11.

The of a wave is the number of waves that pass a given point in a certain amount of time.

Pitanje 12
12.

The model of light describes the behavior of light when it acts as a stream of photons.

Pitanje 13
13.

Energy transferred from electromagnetic waves through matter and space is called electromagnetic radiation.

Pitanje 14
14.

The three types of mechanical waves are transverse waves, latitudinal waves, and surface waves.

Pitanje 15
15.

Frequency is measured in units called hertz.

Pitanje 16
16.

Dividing the distance a wave travels by the time it takes to travel that distance gives you the wave's speed

Pitanje 17
17.

The height of a wave's trough depends on its amplitude.

Pitanje 18
18.

Waves that require a medium through which to travel are called electromagnetic waves.

Pitanje 19
19.

What kind of wave is being generated?

Pitanje 20
20.

Look at diagram above. In what direction does the medium move relative to the direction of the wave? Explain.

Pitanje 21
21.

Look at diagram above. What does the person transfer to the rope by pulling it up and down at point A?

Pitanje 22
22.

Compare how polarized light is different from non-polarized light.