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Given below are two statements : Statement I : In a Young's double slit experiment, the angular separation of fringes will increase as the screen is moved away from the plane of the slits Statement II : In a Young's double slit experiment, the angular separation of fringes will increase when monochromatic source is replaced by another monochromatic source of higher wavelength. In the light of the above statements, ch

Options

  1. ABoth Statement I and Statement II are false
  2. BStatement I is false but Statement II is true
  3. CBoth Statement I and Statement II are true
  4. DStatement I is true but Statement II is false

Correct answer

B. Statement I is false but Statement II is true

Step-by-step solution

In Young's double slit experiment, angular separation of fringes is = d where is wavelength and d is slit separation. Statement I is false because angular separation is independent of screen distance; it depends only on the slit separation and wavelength. Statement II is true because increasing the wavelength directly increases the angular separation . Therefore, Statement I is false but Statement II is true.

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