For a parallel beam of monochromatic light of wavelength λ diffraction is produced

For a parallel beam of monochromatic light of wavelength λ diffraction is produced by a single slit whose width a is of the order of the wavelength of the light. If D is the distance of the screen from the slit, the width of the central maxima will be

Options

(a) 2Dλ/a
(b) Dλ/a
(c) Da/λ
(d) 2Da/λ

Correct Answer:

2Dλ/a

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Water rises in a vertical capillary tube up to a height of 2.0 cm.
  2. A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
  3. The resistance of an ammeter is 13Ω and its scale is graduated for a current
  4. An electron is
  5. A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm