In dispersion without deviation

State the conditions for dispersion without deviation.

The arrngement of dispersion without deviation is used in ____

The arrngement of dispersion without deviation is used in ____

The net angular dispersion without deviation is equal to

The net angular dispersion without deviation is equal to

Can two prisms be arranged to get dispersion without deviation?

Statement-1 : Two prism joined in opposite alone can produce dispersion without deviation or deviation without dispersion. Statement-2 : Dispersion is due to different deviation only.

The respective angles of the flint and crown glass prisms are A' and A. They are to be used for dispersion without deviation, then the ratio of their angles A'//A will be

Two prisms A and B are in contact with each other have angular dispersions of 2^(0) and 4^(0) respectively.The dispersive power of A is 0.002 .If the combination produces dispersion without deviation the dispersive power 'B' is

Two prisms A and B are in contact with each other have angular dispersions of 2^(@) and 4^(@) respectively. The dispersive power of A is 0.002. If the combination produces dispersion without deviation, the dispersive power of B is