1. An object is located 25 cm in front of a concave mirror. If the mirror has a focal
length of 15 cm, where will the image be located? (Use the mirror equation to find
the image distance)
Ans.________
2. A 1.0 cm tall object is placed 10 cm away from a concave mirror that has a 4.0 cm
focal length.
a. Where will the image be located? (use the mirror equation to find di)
b. Is this a real or a virtual image?_______________
d. Draw a ray diagram below to locate the image.
3. A 1.0 cm tall object is placed 6.0 cm away from a concave mirror that has a 4.0 cm
focal length.
a. Where will the image be located? (use the mirror equation to find di
c. Draw a ray diagram below to locate the image
Concave mirrors
4. An object is located 10cm away from a concave mirror with a focal length of
15cm.
a. Use the mirror equation to find the location of the image.
b. What is the significance of your negative answer?
5. A concave shaving mirror has a focal length of 30cm. Calculate the image
position of a 10 cm tall cologne bottle placed in front of the mirror at a
distance of 15 cm.
a. Calculate the magnification of the image.
b. Is the image real or virtual?
c. What is the height of the image in the mirror?
Convex mirror
6. An object is placed 10cm in front of a convex mirror with a virtual focal
length of 15 cm. Where will an image be formed? What will the image look
like?