To produce deviation without dispersion with the help of crown glass prism of refracting angle (A) and flint glass (A') they must be related as

To produce deviation without dispersion with the help of crown glass p

1.	To produce deviation without dispersion with the help of crown glass prism of refracting angle (A) and flint glass (A') they must be related as
Answer» A GT A' A = A' A gt A' A `= (A')/(2)` ANSWER :A