P.11.d&e_OpticalGeometry

A ray of light strikes a thick sheet of glass (n = 1.5) at an angle of 25° with the normal. Find the angle of the ray reflected off the glass surface with respect to the normal.

• 56

• 46

• 39

• 25

• all/none

The real image of an object is located 45.0 cm away from a concave mirror, which has a focal length of 10.0 cm. How far is the object from the mirror?

• 12.9 cm

• 22.5 cm

• 35.0 cm

• 40.0 cm

• all/none

A concave mirror forms a real image at 25.0 cm from the mirror surface along the principal axis. If the corresponding object is at a 10.0 cm distance, what is the mirror’s focal length?

• 1.43 cm

• 7.14 cm

• 12.4 cm

• 16.7 cm

• all/none

If a virtual image is formed 10.0 cm along the principal axis from a convex mirror of focal length –15.0 cm, how far is the object from the mirror?

• 30.0 cm

• 10.0 cm

• 6.00 cm

• 3.00 cm

• all/none

A 3.0 cm tall object is placed along the principal axis of a thin convex lens of 30.0 cm focal length. If the object distance is 40.0 cm, which of the following best describes the image distance and height, respectively?

• 17.3-cm & 7.0-cm

• 120.-cm & 9.0-cm

• 17.3-cm & 1.3-cm

• 120.-cm & 1.0-cm

• all/none

If a concave mirror produces a magnified image, what is true about the object location?

• it’s beyond the focal point

• it’s behind your position

• it’s between you and the mirror

• it’s between the focal point and mirror

• all/none

A 5.00-cm object is 20.0 cm in front of a convex mirror with a -15.0 cm focal length. (A)What is the image height?

1) A 5.00-cm object is 20.0 cm in front of a convex mirror with a -15.0 cm focal length. (B)What is the image distance?

1) A 5.00-cm object is 20.0 cm in front of a convex mirror with a -15.0 cm focal length. (C) Draw this situation and describe the type of image produced. Turn in the drawing, and record the image type in the answer