Home
Class 12
PHYSICS
In a double-slit experiment the angular ...

In a double-slit experiment the angular width of a fringe is found to be `0.2^(@)` on a screen placed 1 m away. The wavelength of light used is 600 nm. What will be the angular width of the fringe if the entire experimental apparatus is immersed in water ? take refractive index of water to be `(4)/(3)`.

Text Solution

Verified by Experts

Here angular fringe width in air `alpha_(air)=0.2^(@)` and refractive index of water `n_(w)=(4)/(3)`
`therefore` Angular fringe width in water `alpha_(water)=(alpha_(air))/(n_(w))=(0.2^(@))/(4//3)=0.15^(@)`.
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    U-LIKE SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

  • WAVE OPTICS

    U-LIKE SERIES|Exercise CASE BASED/SOURCE-BASED INTEGRATED QUESTIONS|20 Videos

  • SEMICONDUCTOR ELECTRONICS : MATERIALS, DEVICES AND SIMPLE CIRCUITS

    U-LIKE SERIES|Exercise SECTION B|1 Videos

Similar Questions

Explore conceptually related problems

In a double slit experiment the angular width of a fringe is found to be 0.2^(@) on a screen placed I m away. The wavelength of light used in 600 nm. What will be the angular width of the fringe if the entire experimental apparatus is immersed in water ? Take refractive index of water to be 4//3 .

In Young's double-slit experiment the angular width of a fringe formed on a distant screen is 1^(@) . The wavelength of light used is 6000 Å . What is the spacing between the slits?

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 ? (mu_("water")=4//3)

In Young's double slit experiment, angular width of fringes is 0.20^(@) for sodium light of wavelength 5890 Å. If the complete system is dipped in water, then the angular width of fringes will become

In YDSE wavelength of light used is 500 nm and slit width is 0.05 mm . then the angular fringe width will be.

In a Young's double slit esperiment, the angular width of a fringe formed on a distant screen is 1^(@) . The slit separation is 0.01 mm. The wavelength of the light is

In Young's double slit experiment, the angular width of a fringe formed on a distant screen is 0.1^(@) . What is the spacing between the slits, if the waveelngth of light used is 6000 Å?

In Young's double slit experiment, angular width of fringes is 0.20^@ for sodium light of wavelength 5890Å . If complete system is dipped in water, then angular width of fringes becomes

In YDSE, when the entire apparatus is immersed in water, what happens to fringe width ?