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ss7ja [257]
3 years ago
9

IT FOR 22 PTS The______of a wave is the number of wavelengths that pass a fixed point in a second.

Physics
1 answer:
frutty [35]3 years ago
4 0

top beacause it is the highest point


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A scientific study is repeated by four different groups. Only two groups get the same results. Are the data reproducible?
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What particle is NOT located in the nucleus? A.proton B.electron C.neutron D.quark
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Explain three differences between a science and a pseudoscience.
grin007 [14]
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8 0
3 years ago
Parallel light waves hit the surface of a still lake and reflect in the same direction. Which interaction of light and matter do
vampirchik [111]

Answer:

Regular reflection

Explanation:

- Reflection is the phenomenon that occurs when a light wave hits the interface between two different mediums and it bounces off back into the same medium. The angle of reflection (measured between the reflected ray and the perpendicular to the interface) is equal to the angle of incidence (measured between the incident ray and the perpendicular to the interface).

There are two different types of reflection:

- Regular reflection: this occurs when the interface between the two mediums is smooth (such as in the case of the still lake), so all the parallel light waves (which have same angle of incidence) are reflected exactly with the same angle of reflection (so, they come out all with same direction)

- Diffuse reflection: this occurs when the interface between the two mediums is not smooth, so each light ray is reflected with a different angle because it hits the interface with a different angle of incidence.

Therefore, in the case of the still lake, the correct answer is regular reflection.

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3 years ago
Describe what happens to the KE of the simple pendulum as it swings back and forth.
diamong [38]

Answer:

Explanation: do y like me yes or no

8 0
2 years ago
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