Light Exam Test Prep

Light is a form of energy.

• true

• false

Tags

NGSS.MS-PS4-1

What determines the color of light?

• amplitude

• wavelength

• reflection ray

• brightness

What is an object that gives off its own light called?

• illumination

• candela

• luminous

• none of the above

Which of the following type of surface is wood?

• translucent

• opaque

• transparent

• none of the above

Tags

NGSS.MS-PS4-2

How is light bent when light is going from a less dense medium to a denser medium?

• towards the normal line

• away from the normal line

• towards the reflecting surface

• none of the above

Tags

NGSS.MS-PS4-2

When light passes from one medium to another the speed stays constant.

• true

• false

Tags

NGSS.MS-PS4-2

What are transparent strands that are used for communication called?

• beams

• holograms

• fiber optics

• lasers

What is a wave that has all the crests and troughs in the same place at the same time?

• wavelength

• coherent wave

• fiber optic wave

• hologram

Tags

NGSS.MS-PS4-1

What color in the visible spectrum has the longest wavelength?

• red

• blue

• green

• yellow

What is the shortest wavelength in the visible spectrum?

• red

• green

• violet

• yellow

Tags

NGSS.HS-PS4-1