Two sources give interference pattern which is observed on a screen, D distance apart…
Physics · JEE Main · NTA Exams — Optics
Two sources give interference pattern which is observed on a screen, D distance apart from the sources. The fringe width is 2β. If the distance D is now doubled, then fringe width will:
- become β
- become β/2
- 4β
- remain the same
Answer
(B) become β/2
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A convex lens of focal length f is put in contact with a concave lens of same focal length. The focal length…
- A diffraction pattern is obtained using a beam of red light. What happens if the red light is replaced by…
- A fish is a little away below the surface of a lake. If the critical angle is 49°, then the fish could see…
- If the light is polarised by reflection, then the angle between reflected and refracted light is
- An air bubble in glass slab (µ = 1.5) appears to be at 6 cm from one side and 4 cm from other side. The…
- Which of the following is not true about the image formed by covex mirror?
- A beam of unpolarized light of intensity I0 is passed through a polaroid A and then through another polaroid…
- A beam of monochromatic blue light of wavelength 420 nm in air travels in water (µ = 4/3). Its wavelength in…