Interference in light waves: A. can only be constructive in nature. B. can only be destructive in nature. C. doesn’t exist; light

Interference in light waves:

A. can only be constructive in nature.
B. can only be destructive in nature.
C. doesn't exist; light waves cannot interfere with themselves because there is no medium.
D. can produce bright and dark patterns through a slit.
E. can only occur between different frequencies of light.


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lennyatme

lennyatme

Violet light moves slowest through glass while red light moves fastest through glass compared to other visible light. So violet and red refract at different angles.

Explanation:

Violet travels the slowest so it is on the bottom and red travels the fastest so is on the top. This is because what is called the index of refraction, (the ratio of the speed of light in a vacuum to the speed of light in a material), is increased for the slower moving waves (i.e. violet).

JohnBradley8657

JohnBradley8657

The ejection of electrons from metals illuminated with different frequencies of light (photoelectric effect)

Explanation:

ptrlvn01

ptrlvn01

D. can produce bright and dark patterns through a slit

Explanation:

Interference in any type of wave can get in two forms, constructive interference, and destructive interference.

The constructive interference is between two waves with the same phase, that is, each crest and trough correspond with the crest and trough of the other, getting as result a wave with twice the amplitude of the original one.

The destructive interference is between two waves out of phase and with the same amplitude. In which the crest of one cancels with the trough of the other.

If light passes through a slit it will get a diffraction pattern in a screen, at which each bright pattern corresponds to a crest, a dark pattern to a trough, as a consequence of constructive interference and destructive interference in different points of its propagation to the screen.  

dathanboyd

dathanboyd

I uploaded the answer to[tex]^{}[/tex] a file hosting. Here's link:

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