How Light Makes Things Happen

Refraction occurs due to _____________

• the change in the wave's speed when it enters a new medium

• the wave bouncing off a boundary

• the change in the wave's frequency when it enters a new medium

• the wave bending around a barrier

Tags

NGSS.MS-PS4-2

The law of reflection states that

• the angle of reflection is equal to the angle of incidence

• the angle of reflection is greater than the angle of incidence

• the image is laterally inverted

• the image must be upright and the same size as the object

Tags

NGSS.MS-PS4-2

When light hits an opaque object it changes direction

and bounces off. This is called _________

• Refraction

• Reflection

Tags

NGSS.MS-PS4-2

Light appears white or transparent, but it is actually

made up of several different colours.

Is the given statement true or false?

• True

• False

The _________ is the hole in the centre of the iris. Light enters the eye through this hole.

• pupil

• optic nerve

• lens

• retina

3. Red from the color spectrum has the longest wavelength.

• TRUE

• FALSE

4. The color violet has the highest energy and frequency.

• TRUE

• FALSE

10. As the wavelength of light becomes longer, the energy increases.

• TRUE

• FALSE

Tags

NGSS.HS-PS4-1

11. As the frequency of light increases, the wavelength becomes shorter.

• TRUE

• FALSE

15. As a wave, light is part of the electromagnetic waves as the visible spectrum or white light.

• TRUE

• FALSE

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4