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Why are multiple colours observed over a...

Why are multiple colours observed over a thin film of oil floating on water? Explain with the help of a diagram.

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CHETANA PUBLICATION-Wave Optics-Exercise
  1. Why are multiple colours observed over a thin film of oil floating on ...

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  2. If the refractive indices of glass and water with respect to air is 3/...

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  3. Light is incident on a glass slab making an angle of 30^@ with the sur...

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  4. The refractive index for water for red and violet colours are 1.325 an...

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  5. Red light of wavelength 6400 overset@A in air, has a wavelength of 400...

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  6. An parallel beam of monochromatic light is incident on a glass slab at...

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  7. Light is incident on a glass slab making an angle of 30^@ with the sur...

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  8. If the critical angle of the medium is sin^-1(3/5) Find the refractive...

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  9. If the difference in velocities of light in glass and water is 0.25 xx...

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  10. The path difference between two identical waves arriving at a point is...

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  11. In a biprism experiment the distance between the slit and the screen i...

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  12. In a biprism experiment, the eye piece is kept at a distance of 1.5 m ...

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  13. In a biprism experiment, red light of wavelength 6500 overset@A was us...

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  14. In an experiment with Fresnel biprism sodium light is used and bands 0...

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  15. In a biprism experiment, a source of light has a wavelength of 5500 ov...

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  16. In a single slit diffraction pattern, the distance between the 1st min...

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  17. Diffraction pattern of a single width 0.5 cm is formed by a lens of a ...

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  18. The semivertical angle of a cone of the rays incident on the objective...

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  19. Whatis theminimumangularseparation between two stars if a telescope is...

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  20. Two slits in Young Experiment have width in the ratio 81:1. What is th...

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  21. Two coherent sources, whose intensity ratio are 81:1, produce interfer...

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