MIRRORS AND LENSES

Which of the following tells the difference between lenses and mirrors?

• a. Lenses refract light, mirrors reflect light.

• b. Lenses make object appear larger, while mirrors give exact copy of object.

• c. Lenses reflect light, mirrors refract light.

• d. Lenses produce virtual image; mirrors make real image.

Concave mirror ___________________________.

• a. bulges out toward the light source

• b. curves towards the center

• c. diverge light rays

• d. creates smaller image of an object

Which mirror concept explains why the word AMBULANCE is written in reverse in an ambulance car?

• a. Lateral inversion

• b. Multiple image

• c. Virtual image and real image

• d. All of the above

You see the reflection of the analog type of clock without numbers in your plane mirror. The image formed by the hands of the clock shows the time of 8:30. What is the real time?

• a. 3: 30

• b. 8: 30

• c. 9:30

• d. 12:30

What kind of lens curves inward toward its center?

• a. convex

• b. concave

• c. mirror

• d. glasses

To correct nearsightedness, a person is prescribed with what kind of lenses?

• a. Concave lens

• b. Convex lens

• c. Focusing lens

• d. None of the above

If an object is placed 10 cm in front of a plane mirror, where will its image be formed?

• a. 10 cm behind the mirror

• b. 40 cm behind the mirror 

• c. 20 cm behind the mirror

• d. 20 cm in front of the mirror

Which of the following characteristics of an image is formed when object is beyond C in a

       concave mirror?

• a. inverted, enlarge, real       

• b. inverted, reduced, real

• c. inverted, reduced, virtual

• d. inverted, same size, real

Surveillance cameras are needed to secure the safety of stores. If the owner cannot afford to    

      have one yet, she needs a mirror that will give a wider range of view in her shop to monitor

      costumers. What kind of mirror will you recommend?

• a. Concave

• b. Convex

• c. Plane

• d. Round

Which is a CORRECT pairing of object location and image characteristics according to “LOST”

      in a concave mirror?

• a. At C – At C, inverted, reduce, real

• b. At F – behind the mirror, upright, enlarge, virtual

• c. Between C & F – beyond C, inverted, enlarge, real

• d. Beyond C – between C & F, inverted, same size, real