| ⇦ | 
| ⇨ |
Light of wavelength λ from a point source falls on a small circular obstacle of diameter d. Dark and bright circular rings around a central bright spot are formed on a screen beyond the obstacle. The distance between the screen and obstacle is D. Then, the condition for the formaton of rings, is
Options
(a) √λ≈d/4D
(b) λ≈d²/4D
(c) d≈λ²/D
(d) λ≈D/4
Correct Answer:
λ≈d²/4D
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
- A radioactive substance has a half-life of four months. Three-fourth of substance
- A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height
- A radiotransmitter radiates 1 kW power at a wavelength 198.6 m. How many photons
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
- A radioactive substance has a half-life of four months. Three-fourth of substance
- A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height
- A radiotransmitter radiates 1 kW power at a wavelength 198.6 m. How many photons
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
Leave a Reply