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Question: Light, with a wavelength of 500 nm in air, strikes directly on a double slit,...

Question:

Light, with a wavelength of 500 nm in air, strikes directly on a double slit, spaced 440 micrometer apart. The resulting interference pattern is observed on a screen that is 2.0 meters away. Afterwards, the double slit apparatus is then submerged into oil, which has an index of refraction of 1.58.  Assume that the diffraction effects are negligible.

a)Calculate the distance between the first two adjacent bright fringes on the screen, when set up in air.

b)Determine the frequency of the light when submerged in the water.

c)Determine the wavelength of the light when submerged in the water.

d)State whether the distance between the fringes on the screen, when submerged in water, will increase, decrease, or stay the same when compared to when in air. Justify your answer.

Solutions

Expert Solution

The answers are in the images. Page number is mentioned at right top. In the one you said the submerged material is oli, and in other part you said it is water. So, ignoring it, I have answered by considering the refractive index of the medium.

genius_generous answered 2 years ago
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