Which of the following career roadblocks is completely out of your control

After an atomic bomb has been dropped, the damage continues to get worse. why is this?

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.

Which statement correctly describes the relationship between frequency and wavelength?