Two small angled prisms A and B deviate the blue rays by `6^(@)` and `8^(@)` and the red rays by `4^(@)` and `6^(@)` respectively. Which prism has a greater dispersive power ?

Two small angled prisms A and B deviate the blue rays by 7 0 and 9 0 and the red rays by 5 0 and 7 0 respectively. Which prism has a greater . p dispersive power ?

A prism of a certain angle deviates the red and blue rays by 8^@ and 12^@ respectively. Another prism of same angle deviates the red and blue rays by 10^@ and 14^@ respectively.The prisms are small angled and made of different materials. The dispersive powers of material of prisms are in the ratio

A prism of a certain angle deviates the red and blue rays by 8^@ and 12^@ respectively. Another prism of the same angle deviates the red and blue rays by 10^@ and 14^@ respectively. The prisms are small angled and made of different materials. The dispersive powers of the materials of the prisms are in the ratio

A prism of a certain angle deviates the red and blue rays by 8^@ and 12^@ respectively. Another prism of the same angle deviates the red and blue rays by 10^@ and 14^@ respectively. The prisms are small angled and made of different materials. The dispersive powers of the materials of the prisms are in the ratio

A glass prism A deviates the red and blue rays through 10^(@) and 12^(@) respectively . A second prism (B) deviates them through 8^(@) and 10^(@) respectively . What is the ratio of their dispersive powers ?

Suppose a small angled prism of 6^(@) deviates a ray through 3^(@) , then the refractive index is

Suppose a small angled prism of 6^(@) deviates a ray through 3^(@) , then the refractive index is

Prism X deviates red ray through 10^(@) and violet ray through 16^(@) , while the prism Y deviates red ray through 8^(@) and violet ray through 14^(@) , respectively . If omega_(X) and omega_(Y) are the dispersive powers of X and Y , then