Optics

Optical fibre are based on

Optical activity is expected for .

Optical fibers are based on the phenomenon of

(A) : Optical communication is preferred to microwave communication (R) : Microwaves provide large number of channels and bandwidth as compared to optical signals.

Statement-I : Optical fibres are free from electromagnetic disturbances Statement-II : Optical fibres are electrically insulated.

2-bromobutane is optically active but 1-bromobutane is optically inactive

Define optical isomerism and give a brief account of optical isomers.

How is the optical rotation of an optically active compound measured and how is it expressed ?

Which is optically active :-