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In the visible region of the spectrum th...

In the visible region of the spectrum the rotation of the place of polarization is given by `theta=a+(b)/(lambda^2)`. The optical rotation produced by a particular material is found to be `30^@` per mm at `lambda=5000Å` and `50^@` per mm at `lambda=4000Å`. The value of constant a will be

A

`+(50^(@))/(9)` per mm

B

`-(50^(@))/(9)` per mm

C

`+(9)/(50^(@))` per mm

D

`-(9)/(50^(@))` per mm

Text Solution

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The correct Answer is:
B
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RESNICK AND HALLIDAY-INTERFERENCE AND DIFFRACTION -PRACTICE QUESTIONS (Single Correct Choice Type)
  1. Light passes successively through two polarimeters tubes each of lengt...

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  2. Two Nicols are oriented with their principal planes making an angle of...

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  3. In the visible region of the spectrum the rotation of the place of pol...

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  4. When a ray of light of frequency 6 xx 10^(14) Hz travels from water o...

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  5. A wavefront AB passing through a system C emerges as DE (As shown in ...

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  6. The wavefront of a light beam is given by the equation x + 2y + 3x = c...

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  7. In Young's double-slit interference experiment a first screen with a ...

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  8. Two sources, in phase and a distance d apart, each emit a wave of wav...

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  9. In a double-slit interference pattern, the first maxima for infrared ...

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  10. Light shining through two very narrow slits produces an interference ...

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  11. In Young's double-slit experiment, the slit separation is 0.5 mm and t...

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  12. Two different color beams (yellow and blue) from a point source are i...

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  13. Two wavelength of light lambda(1) and lambda(2) are sent through Youn...

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  14. In a Young's double-slit experiment, if the incident light consists o...

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  15. Two plane monochromatic coherent waves produce inter- ference pattern...

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  16. Path followed by two rays through a thin lens in air is shown in the ...

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  17. An interference pattern is formed on a screen by shining a planar wave...

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  18. A glass slab of thickness 4 cm contains the same number of waves as 5 ...

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  19. On introducing a thin sheet of mica (thickness 12 xx 10^(-7) cm) in p...

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  20. A Young's double-slit experiment is conducted in water (n(1)) as show...

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