Year 8 Light MCQ

Which of these statements is true?

• Light travels in straight lines.

• Light is stopped when it meets a solid object

• Light does not travel in straight lines.

• Light will only travel for about 2000 km before it stops.

Tags

NGSS.MS-PS4-2

Which of these statements is not true?

• Opaque objects reflect or absorb light.

• Transparent objects let light pass through them.

• Translucent objects scatter the light that passes through them.

• Translucent objects do not reflect light

Tags

NGSS.MS-PS4-2

Which phrase best completes the following sentence? We can read a book because:

• it is luminous.

• A light shines on it

• light is reflected by the book and enters our eyes.

• light from our eyes shines on the book

Tags

NGSS.MS-PS4-2

Which statement is true?

• A Sound travels faster than light.

• B Light does not travel. It is either on or off.

• C Light travels faster than sound.

• D Light and sound travel at the same speed.

Which of these statements is true?

• A Light bounces evenly off rough surfaces.

• B Light bounces evenly off smooth surfaces such as mirrors.

• C Light bounces off mirrors in all directions.

• D Light does not bounce off mirrors.

Tags

NGSS.MS-PS4-2

A plane mirror is:

• A a flat mirror.

• B a curved mirror.

• C a shiny mirror.

• D a mirror used in aeroplanes.

How big will the angle of reflection be?

• A 20°

• B 40°

• C 30°

• D 60°

Tags

NGSS.MS-PS4-2

Your image in a mirror:

• A is always smaller than you

• B is upside down.

• C is always bigger than you.

• D seems to be behind the mirror

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Refraction is what happens when light:

• A hits an opaque object.

• B bounces off a mirror.

• C is scattered unevenly by a rough surface.

• D changes direction as it goes from one substance into another.

Tags

NGSS.MS-PS4-2

Refraction occurs because:

• A light speeds up when it goes from air to glass or water.

• B light slows down when it goes from air to glass or water.

• C light stops when it goes from air to glass or water.

• D light reflects inside transparent materials.