The radius of curvature of a spherical, convex, mirror is 60 cm. What is 5. its focal length? a) -30 cm b) 30 cm c) -60 cm d) 60 cm =(

What is the focal length (f) of a convex lens if the measured distance from the lens to the object = 30 cm and the distance to the image = 73.2 cm?     a. 15.1 cm   b. 103.2 cm   c. 21.3 cm   d. 2196 cm

___4. An object is placed at the focal point in front of a concave mirror. The image is located _. A. The distance d>R B. The distance d

Consider a spherical concave mirror. An object is located to the left ofthe mirror, beyond the focal point. As the object moves toward the focal point,the image of the objecta) moves to the left.b) moves to the right.c) remains in the same place, but changes height.d) none of the above