Q2 - Online Quiz 3

A ray of light is reflected from a plane mirror. The angle of incidence is 20°. What is the angle of reflection?

• 10°

• 20°

• 30°

• 40°

What is the image formed in a plane mirror?

• Real

• Diminished

• Enlarged

• Laterally inverted

What is the distance of your image from the mirror if you stand 1.5 m in front of a plane mirror?

• 1.5 m

• 2.0 m

• 3.0 m

• 4.5 m

You see the reflection of the clock without numbers in your plane mirror. The image formed by the hands of the clock shows the time of 3:30. What is the real time?

• 3:30

• 8:30

• 9:30

• 10:30

What type of mirror is used in a flashlight to create a beam of light?

• Convex

• Concave

• Parabolic

• Plane

An object is placed between a concave mirror and its focal point. What type and orientation is the image formed?

• Virtual and inverted

• Virtual and erect

• Real and inverted

• Real and erect

What is the size of the image formed by an object placed at the center of curvature of a concave mirror?

• same size as the object

• larger than the object

• smaller than the object

• cannot be determined

What is the size of the image of an object placed in front of a convex mirror?

• always smaller than the object

• always larger than the object

• always the same size as the object

• depends on the position of the object

What kind of mirror is used in automobiles and trucks to give the driver a wider area and smaller image of traffic behind him?

• Plane mirror

• Convex mirror

• Concave mirror

What kind of mirror gives a wider view and is used by department stores to prevent shoplifting?

• Plane mirror

• Convex mirror

• Concave mirror

• Lens