The speed of propagation equals the frequency times the wavelength.
O
True
O
False

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?