What will the image of the object look like through the lens ??

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.

technology is the application of the knowledge gained by science.

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray

answer(20) psi;