1. An object is placed 20 cm from a concave mirror, f = 15 cm. Find the:
    a) image location b) magnification.
2. A 7 cm tall object is placed 80 cm from a concave mirror, f = 20 cm. Find the:
    a) image location b) magnification c) image height.
3. Find the f of a concave mirror that produces a real image at 30 cm when the object is at 60 cm.
4. Find the image location when the object is 20 cm from a concave mirror, f = 30 cm.
5. Find the f of a convex mirror that produces an image at 25 cm when the object is at 50 cm.
6. A 4 cm tall object is 10 cm from a concave mirror, f = 20 cm. Find the:
    a) image location b) magnification c) image height.
7. A concave mirror, f = 30 cm, produces a real image at 45 cm. Find the object location.
8. A 2 cm tall object is 20 cm from a concave mirror, f = 20 cm. Find the:
    a) image location b) height.
9. An object located 30 cm from a curved mirror creates a virtual image at 10 cm.
    a) Find the f. b) What type of mirror is it?
10. A 5 cm tall object is 50 cm from a convex mirror, f = 25 cm. Find the:
    a) image location b) height.
11. A 1.5 cm tall, real image is 45 cm from a concave mirror, f = 30 cm. Find the:
    a) object location b) magnification.
12. Starlight is collected by a concave mirror, f = 5 ft. Where is the image formed?
13. What is the f of a shaving mirror with a magnification of 2 when your face is 20 cm away?
14. What is the f of a convex mirror with a magnification of 0.25 when the object is 2 m away?
15. Sketch how a converging (concave) mirror forms a: a) real image b) virtual image.
16. An object is 30 cm from a concave mirror, f = 20 cm. Find the: a) image b) magnification.
17. An object is 70 cm from a concave mirror, f = 30 cm. Find the: a) image b) magnification.
18. An object 80 cm from a concave mirror creates a virtual image 40 cm from the mirror. Find the:
    a) mirror's f point b) magnification.
19. Diagram the formation of a virtual image by a diverging (convex) mirror.
20. An object is 25 cm from a convex mirror, f = 35 cm. Find the: a) image b) magnification.
21. An object 60 cm from a convex mirror creates an image (virtual, of course) 30 cm from the
     mirror. Find the: a) mirror's f point b) magnification.
22. An object is 15 cm from a concave mirror, f = 30 cm. Find the: a) image b) magnification.
23. A real image is 55 cm from a concave mirror, f = 35 cm. Find the: a) object b) magnification.
24. An object is 40 cm from a concave mirror, f = 40 cm. Find the: a) image b) magnification.
25 An object 25 cm from a curved mirror produces a virtual image 15 cm from the mirror.
    a) Find the mirror's f point. b) What type of mirror is it?
26. Light from a star (hint, hint) is collected by a concave mirror, C = 5 ft. Find the image location.
27. What is the focal length of a shaving mirror that has a magnification of 3 when the object is
25 cm away?
28. What is the f of a mirror with a magnification of 0.3 when the object is 3 m away?