LS1

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

Tags

NGSS.MS-PS4-2

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

• 1.5 m

• 2.0 m

• 3.0 m

• 4.5 m

Zed stands 1.5-m tall in front of a plane mirror. What is the height of his image?

• 4.5 m

• 3.0 m

• 2.0 m

• 1.5 m

A light ray, travelling parallel to a concave mirror's axis, strikes the mirror's surface. The reflected ray _________.

• passes through the mirror's focal point

• again travels parallel to the mirror's axis

• travels at right angles to the mirror's axis

• passes through the mirror's center of curvature

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

• none of the above

What type of mirror do dentists usually use to see clearly the images of our teeth?

• plane mirror

• convex mirror

• concave mirror

• none of the above

A white sheet of paper cannot act as mirror because it ______ the rays of light.

• diffracts

• diffuses

• interferes

• refract

Tags

NGSS.MS-PS4-2

You see your face clearly if you look down on a pool of still water. Which one of the following statements give the best explanation for this observation?

• Light entering the water is dispersed.

• Regular reflection of light happens on the surface of still water.

• Irregular reflection of light happens on the surface of still water.

• Light is reflected from the surface of water in different directions.

Tags

NGSS.MS-PS4-2

An image can be seen in a shiny surface when the light is...

• refracted

• reflected

Tags

NGSS.MS-PS4-2

What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is?

• refracted

• reflected

Tags

NGSS.MS-PS4-2