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MHT CET202416 May 2024Evening ShiftPhysicsWave OpticsActual

In a single slit diffraction experiment, for a wavelength of light ' ', half-angular width of the principle maxima is ' '. Also for wavelength of light p , the half angular width of the principle maxima is q . The ratio of the halfangular widths of the first secondary maxima in the first case to second case will be

Options

  1. Ap : 1
  2. Bq : 1
  3. Cp : q
  4. Dq : p

Correct answer

D. q : p

Step-by-step solution

Let (d ) and (d ) ' be the width of the slits in the two cases. ( aligned & & & = d and q = p d^ & & d d^ & = q p aligned )

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