11. identify an ocean wave
forms a surface wave as it
comes into shallow water.
what are the two media in-
volved in forming the surface
wave?

d

explanation:

v=uf/(u-f)

= 5.10/(5-10) convex lens has positive focal length

=50/-5

=-10 cm (formed at other side)

c) up is the direction the magnetic force is acting on the charge.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.