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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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The refractive indices of flint glass for red and violet lights are 1.613 and 1.632, respectively. Find the angular dispersion produced by a thin prism of flint glass having refracting angle 5^@ .

A certain material has refractive indices 1.56, 1.60 and 1.68 for red, yellow and violet light respectively. (a) Calculate the dispersive power. (b) Find the angular dispersion produced by a thin prism of angle 6° made of this material.

The refractive indices of filnt glass for red and violet light are 1.613 and 1.632 respectively. Find the angular dispersion prouduced by a thin prism of flint glass having refracting angle 5^@

The refractive indices of flint glass for red and violet light are 1.613 and 1.632, respectively. Find the angular dispersion produced by the thin prism of flint glass having refracting angle 4^(@) .

A thin prism of crown glass (mu_r=1.515, mu_v=1.525) and a thin prism of flint glass (mu_r=1.612, mu_v=1.632) are placed in contact with each other. Their refracting angles are 5.0^@ each and are similarly directed. Calculate the angular dispersion produced by the combination.

A crown glass prism of angle 5^(@) is to be combined with a flint prism in such a way that the mean ray passes undeviated. Find (a) the angle of the flint glass prism needed and (b) the angular dispersion produced by the combinatino when white light goes through it. Refractive indices for red, yellow, and violet light are 1.541, 1.517 and 1.523, repectively, for crown flass and 1.613, 1.620 and 1.632 for flint glass.

We have to combine a crown glass prism of angle 4^(@) with a flint glass prism in such a way that the mean ray passes undeviated, find (i) the angle of the flint glass prism needed and (i) the angular dispersion produced by the combination when white light goes through it. Refractive indices for red, yellow and violet light are 1.514, 1.517 and 1.523 respectively for crown glass and 1.613, 1.620 and 1.632 for flint glass.

A crown glass prism of angle 5^@ is to be combined with a flint glass prism in such a way that the mean ray passes undeviated. Find (a) the angle of the flint glass prism needed and (b) the angular dispersion produced by the combination when white light goes through it. Refractive indices for red, yellow and viloet light are 1.514, 1.517 and 1.523 respectively for crown glass and 1.613 1.620 and 1.632 for flint glass.

A thin prism of angle 6.0^@, omega'=0.07 and mu_y'=1.50 is combined with another thin prism having omega = 0.08 and mu_y = 1.60 . The combination produces no deviation in the mean ray. (a) Find the angle of the second prism. (b) Find the net angular dispersion produced by the combination when a beam of white light passes through it. (c) If the prisms are similarly directed, what will be the deviation in the mean ray ? (d) Find the angular dispersion in the situation described in (c).

Light of wavelenght 4000 A is incident at small angle on a prim of apex angle 4^(@) . The prism has n_(v)=1.5 and n_(r)=1.48 . The angle of dispersion produced by the prism in this light is:

RESONANCE ENGLISH-PART TEST 4-Exercise
  1. In a Fresnel biprism experiment the two positions of lens give separat...

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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 = n(0) + ax, where ...

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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 transparent medium falls on a surface s...

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  11. Young's double-slit experiment is conducted in water (mu(1)) as shown ...

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

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  13. If yellow light emitted by sodium lamp in Young's double - slit - expe...

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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 2 d cm is half filled with a liquid of refractive in...

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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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