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vredina [299]
3 years ago
12

Monochromatic light passes through two parallel narrow slits and forms an interference pattern on a screen. As the distance betw

een the two slits is decreased, the distance between light bands in the pattern on the screen will
a.decrease.

b.increase.

c.remain the same.
Physics
2 answers:
Degger [83]3 years ago
8 0
Monochromatic light passes through two parallel narrow slits and forms an interference pattern on a screen. As the distance between the two slits is <span>decreased, the distance between light bands in the pattern on the screen will decrease. The answer is letter A.</span>
Mama L [17]3 years ago
7 0

Answer:

b.increase.

Explanation:

The distance between the light bands and the distance between the two slits, are related as follows:

y=\frac{m\lambda D}{d}

Here, y is the distance between light bands in the pattern, m is the number of light bands observed in the pattern, \lambda is the light's wavelenght, D is the distance between the two slits and the screen where the pattern is observed and d is the distance between the two slits. Thus, as the distance between the two slits is decreased, the distance between light bands will increase.

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