has slightly the greater refracting power than crown glass

has roughly double refracting power than that of crown

and crown glass proportions yield the required focal length and neutralise the dispersion produced by the convex lens at the emergence from the concave

Flint glass – McqOptions

1.	Flint glass
A.	has slightly the greater refracting power than crown glass
B.	has roughly double refracting power than that of crown
C.	and crown glass proportions yield the required focal length and neutralise the dispersion produced by the convex lens at the emergence from the concave
D.	all the above.
Answer» E.

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Flint glass

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