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Light passes successively through two polarimeters tubes each of length `0.29m`. The first tube contains dextro rotatory solution of concentration `60kgm^-3` and specific rotation `0.01 rad m^2kg^-1`. The second tube contains laevo rotatory solution of concentration `30kg//m^3` and specific rotation `0.02 rad m^2kg^-1`. The net rotation produced is

A

`15^(@)`

B

`0^(@)`

C

`20^(@)`

D

`10^(@)`

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

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

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

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

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

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