Exam 25: The Refl Ection of Light: Mirrors

Five balls labeled A, B, C, D, and E are placed in front of a plane mirror as shown in the figure. Which ball(s) will the observer, in the position shown, see reflected in the mirror?

A 0.127-m pencil is oriented perpendicular to the principal axis of a concave spherical mirror that has a radius of curvature of 0.300 m. What are the image distance and the image height if the pencil is 0.250 m from the mirror?

A woman stands 2.0 m in front of a convex mirror and notices that her image height is 1/4 of her actual height. Determine the radius of curvature of the mirror.

A dime is placed in front of a concave mirror that has a radius of curvature R = 0.30 m. The image of the dime is inverted and three times the size of the dime. Determine the distance between the dime and the mirror.

A convex mirror with a focal length of 58 cm is used to form an image that is 29 cm behind the mirror. What is the object distance?

An object is placed 1 m in front of a plane mirror. An observer stands 3 m behind the object. For what distance must the observer focus his eyes in order to see the image of the object?

An object is placed 20.0 cm in front of a convex spherical mirror with radius of curvature 60.0 cm. Which one of the following phrases best describes the image?

Santa Claus looks at his reflection in a spherical Christmas tree ornament. Which one of the following statements concerning Santa's image is true?

An object with a height of 3.0-cm is placed 8.0 cm in front of a mirror. The virtual image is 4.0 cm further from the mirror when the mirror is concave than when it is planar. -Determine the image height in the concave mirror.

The radius of curvature of a spherical convex mirror is 52 cm. What is its focal length?

A 6.0-ft tall football player stands in front of a plane mirror. How tall must the mirror be so that the football player can see his full-sized image?

Two plane mirrors are connected perpendicular to each other, as shown in the figure. If a person looks into the corner at the image straight ahead of him and closes his left eye as shown, which one of the following statements is true?

Which one of the following statements concerning the image formed by a concave spherical mirror is true?

An object is placed near two perpendicular plane mirrors as shown in the figure. How many images will be formed?

Two mirrors are arranged as shown in the drawing. Light is incident from the right on the first mirror at an angle of 70°. The light reflects toward the second mirror and is reflected at angle $\theta$ . Determine the angle $\theta$ .

Which one of the following statements concerning a virtual image produced by a mirror is true?

Which one of the following statements concerning rays is false?

An object is 1.0 m in front of a mirror. A virtual image is formed 10.0 m behind the mirror. What is the radius of curvature of the mirror?

A plane mirror is 6 ft tall. What is its focal length?

A concave mirror has a radius of curvature of 60.0 cm. How close to the mirror should an object be placed so that the rays travel parallel to each other after reflection?