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Young's double slit experiment is first performed in air and then in a medium other than air. It is found than 8th bright fringe in the medium lies where 5th dark fringe lies in air. The refractive index of the medium is nearly

A

`1.78`

B

`1.25`

C

`1.59`

D

`1.69`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-WAVES OPTICS-EXERCISE -II (INTERFERENCE)
  1. In an interference experiment, the ratio of the intensities of the bri...

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  2. A screen is at a distance of 2m from narrow slits that are illuminated...

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  3. In Young's double slit experiment with a mono - chromatic light of wav...

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  4. In Young.s double slit interference experiment the wavelength of ligh...

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  5. The intensity of central fringe in the interference pattern produced b...

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  6. In the case of interference, the maximum and minimum intensities are i...

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  7. In a double slit experiment, the distance between two slits in 0.6 mm ...

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  8. In Young.s double slit experiment, blue-green light of wavelength 500n...

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  9. A double slit experiment is performed with light of wavelength 500 nm....

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  10. When a mica plate of thickness 0.1mm is introduced in one of the inter...

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  11. The maximum numbers of possible interference maxima for slit separatio...

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  12. An electromagnetic wave emitted by source travels 21 km to arrive at a...

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  13. Four light sources produce the following four waves : i. y1 = a' si...

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  14. In Young's double slit experiment, the 10^(th) maximum of wavelength ...

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  15. The path difference between two interfering waves at a point on the sc...

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  16. In Young.s double slit experiment with monochromatic source of light o...

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  17. A mixture of light, consisting of wavelength 590 nm and an unknown wav...

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  18. A monochromatice light beam of wavelength 5896 A^(0) is used in double...

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  19. The maximum intensity in Young.s double slit experiment is I0. Distanc...

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  20. Young's double slit experiment is first performed in air and then in a...

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