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vitfil [10]
3 years ago
12

Refer to the image shown to answer the question.

Physics
2 answers:
Lostsunrise [7]3 years ago
7 0
It would be B. Because every angle has to add up to 180 degrees. 180-70 would give you 110
emmainna [20.7K]3 years ago
6 0

Answer:

The measurement of the reflected ray will be 110 degrees.

Explanation:

It is given that, a light ray strikes the shiny surface at 70 degrees.

From the given figure, the angle between the incident ray and the surface is 70°. So, the angle between the incident ray and the normal will be 90° - 70° = 20°.

From the laws of reflection, the angle of incidence is equal to the angle of reflection.

So, the angle between the normal and the reflected ray will be 20°. Hence, the measurement of the reflected ray will be 110°.

Hence, the correct option is (B) " 110 degrees ".

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Andrews [41]

Answer:

  d sin tea = m λ

Explanation:

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now to have constructive interference and see a bright line this leg must be an integer number of wavelengths, ose

            d sin tea = m λ

where

d             is the distance between the two slits

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λ    the wavelength of the coherent light used

m   an integer, which counts the number of lines of interference

Units in the SI system

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7 0
3 years ago
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Answer:

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