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
Choose one answer.
a. 0.33
b. -0.33
c. 1.33
d. -1.33