The refractive index (μ) varies with wave length (λ) of light as given by the formula μ = A + B/λ^2 [Where A and B are constants]. Determine the dimensions of A and B.

are their multiple choices ?

explanation:

a is the best answer your welcome

3. dark matter

empty space could also be a simple vacuum

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;