YDSE in Water
Trending Questions
Q. In a YDSE performed with wavelength λ=5890˙A, the angular fringe width is 0.40∘. What is the angular fringe width if the entire set - up is immersed in water ? (μ=43)
- 0.15∘
- 0.30∘
- 0.40∘
- 0.50∘
Q. In a Young’s double slit experiment, the fringe width is found to be 0.4 mm. To make things more interesting, if the whole apparatus is immersed in water of refractive index 43 without disturbing the geometrical arrangement, the new fringe width will be:
- 0.30 mm
- 0.50 micron
- 0.40 mm
- 0.53 mm
Q. The fringe width in air, in Young's experiment is 3.6mm for light of λ=6000˙A. If the arrangement is immersed in a transparent liquid of μ=1.2 the fringe width would be
- 4.32mm
- 3mm
- 0.33mm
- 1.8mm
Q.
In Young's double – slit experiment, the y – coordinates of central maxima and 10th maxima are 2cm and 5cm, respectively. When the YDSE apparatus is immersed in a liquid of refractive index 1.5, the corresponding y – coordinates will be
2 cm, 7.5 cm
3 cm, 6 cm
2 cm, 4 cm
43cm, 103 cm
Q. Young's double slit experiment is performed using light of wave length λ. One of the slits is covered by a thin glass sheet of refractive index μ at this wavelength. The smallest thickness of the sheet to bring the adjacent minimum to the centre of the screen is
- λ2(μ−1)
- λ(μ−1)
- λ2μ
- λμ
Q. In a double slit experiment when light of wavelength 400 nm was used the angular width of the first minima formed on a screen placed 1 m away was found to be 0.2°. What will be the angular width of the first minima, if the entire experimental apparatus is immersed in water? (μwater = 4/3)
- 0.266°
- 0.15°
- 0.05°
- 0.1°