Home
Class 12
PHYSICS
Light passes successively through two po...

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

A

`15^@`

B

`0^@`

C

`20^@`

D

`10^@`.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

theta is the optical rotation produced by sugar solution of concentration C and taken in a glass tube of length 0.2 m and radius r . Then the solution is transferred to another glass tube of length 0.3 m and radius r and the remaining space is filled with distilled water. The optical rotation produced by this solution is

The specific rotation of an optically active substance of length L_m and concentration C kg//m^(3) with angle of rotation theta is given by

A cylindrical tube of light 0.2m and radius R with sugar solution of concentration 'C' produce a rotation of theta in the plane of vibration of a plane polarized light. The same sugar solution is transferred to another tube of length 0.3m of same radius. The remaining gap is filled by distilled water. Now the optical rotation produced is

Specific rotation of sugar solution is 0.5 deg m^2 kg^-1 * 200 kg m^-3 of impure sugar solution is taken in a sample polarimeter tube of length 20 cm and optical rotation is found to be 19^@ . The percentage of purity of sugar is

Steam at 373 K is passed through a tube of radius 10 cm and length 2 m. The thickness of the tube is 5 mm and thermal conductivity of the material is 390 W m^(-1) K^(-1). The outside temperature is 0C. The heat lost per second in J is

Two solutions of HCI, A and B, have concentrations of 0.5 N and 0.1 M respectively. The volume of solutions A and B required to make 2 litres of 0.2 N HCl are

The solubility product of strontium fluoride is 8.0xx10^(-11) . At what concentration of Sr^(2+) ion the precipitation of strontium fluoride would start from a solution containing 0.01 M F^(-) ion ?