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.

Related Questions:

1. A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
2. Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
3. An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
4. The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
5. A point charge q is placed at a distance x/2 directly above the centre of a cube

Topics: Wave Optics (101)
Subject: Physics (2479)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends