Light Unit Review

What three things may happen to light that strikes an object? 

• The light may be reflected, transmitted or absorbed.
• The light may be reflected and refracted.
• The light may be absorbed and transmitted.

Tags

NGSS.MS-PS4-2

A plane mirror produces a/an 

• a small, real image
• a large, real image
•  a small, virtual image
• a same sized, virtual image

______ is a copy of the object formed by reflected or refracted rays of light

• reflection
• refraction
• object
• image

Tags

NGSS.MS-PS4-2

The two kinds of reflection are 

• transparent and translucent
• opaque and translucent
• regular and diffuse

Tags

NGSS.MS-PS4-2

Which of these provides the best explanation for why the pencil appears broken?

• The pencil absorbs the light rays that hit it.

• Water reflects light rays away from the pencil.

• Light rays are bent by the water in the glass.

• The surface of the water reflects the light rays.

Tags

NGSS.MS-PS4-2

Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2

The concave mirror has an inverted area

• inward

• outward

• both inward and outward

• none

_____ mirrors are used as rear view mirrors in cars.

• concave

• convex

• plane

• none

A rainbow can be seen in the sky when the sun is

• in front of you

• behind you.

• overhead

• only at the time of sunrise

When a Newtons disc is rotated at high speed , the colours of the disc would blend and give

• black colour

• white colour

• no colour

• yellow colour