Fundamentholfundamenthol
NEET2019Paper 2019Physics
Q.

In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on a screen placed 1 m away, was found to be 0.2°. What will be the angular width of the first minima, if the entire experimental apparatus is immersed in water? (water = 4/3)

  1. A

    0.266°

  2. B

    0.15°

  3. C

    0.05°

  4. D

    0.1°

Solution

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