# physics

posted by
**ashley --** on
.

What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm?

Choose one answer.

a. 0.33

b. -0.33

c. 1.33

d. -1.33

posted by
**ashley --** on
.

What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm?

Choose one answer.

a. 0.33

b. -0.33

c. 1.33

d. -1.33