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The angular dispersion produced by a pri...

The angular dispersion produced by a prism

A

increrases if the average refractive index of the prism increases

B

increases if the average refractive index increases

C

remain constant whether the average refractive index or decreases

D

has no relation with average refractive index

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The correct Answer is:
A
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RESONANCE-PART TEST 4-Exercise
  1. In a Fresnel biprism experiment, the two positions of lens give separa...

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  2. In a compound microscope, the intermediate image is

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  3. The angular dispersion produced by a prism

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  4. A cylinderical optical fibre (quarter circular shape) of refractive i...

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  5. A light is incident on face AB of an equilateral glass prism ABC. Afte...

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  6. A ray hits the y-axis making an angle theta with y-axis as shown in th...

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  7. An isosceles trapezium of reflecting material of refractive index sqrt...

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  8. A triangular medium has varying refracting index n=n0 +ax, where x is ...

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  9. An object AB is placed parallel and close to the optical axis between ...

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  10. A ray of light travelling in a transparant medium falls on a surface s...

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  11. Young's double slit experiment is conducted in a liquid of refractive ...

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  12. Two coherent monochromatic light beams of intensities I and 4I are sup...

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  13. Yellow light emitted by sodium lamp in Young's double slit experiment ...

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  14. What happens by the use of white light in Young's double slit experime...

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  15. The reflecting surface of a plane mirror is vertical. A particle is pr...

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  16. Astronomial telescope has two lenses of focal power 0.5D and 20D. Then...

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  17. The plane face of a plano convex lens is silvered.If mube the refrativ...

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  18. A vessel of depth 2d cm is half filled with a liquid of refractive ind...

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  19. A parallel beam of light is incident on a lens of focal length 10cm. A...

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  20. Wavelength of light used in an optical instrument are lambda(1) = 4000...

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