Alens collects light and focuses it into a small spot. this increases the of the light wave. a lens collects light and focuses it into a small spot. this increases the of the light wave.

intensity.

Explanation:

when the light collected by the lens is focused into a small spot it tends to increase the intensity of the light.

as different path of light with different intensity combines from passing through the lens it tends to make the light path and intensity coherent and after being coherent there intensity increases.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr