Question 1

This is a piece of clear transparent plastic that light bends through

Accepted Answer

lense

Answer

glass

Answer

window

Answer

mirror

Question 2

Originally, ancient Greek scientists hypothesized that vision

Accepted Answer

originated in the viewers eye

Answer

is caused by refracted light rays.

Answer

is caused by reflected light rays.

Answer

is actually an illusion that your brain is able to decode.

Question 3

Isaac Newton was a famous scientist who studied light.  When Newton studied light, he discovered that

Accepted Answer

white light is composed of all the rainbow colours

Answer

light bends when it crosses a boundary

Answer

light always reflects at the same angle as it incident at

Answer

light always travels in straight lines

Question 4

Which scientist provided the most accurate value for the speed of light based on his experimental results?

Accepted Answer

Michelson

Answer

al-Haytham

Answer

Newton

Answer

Galileo

Question 5

Which of the following is NOT a property of light?

Accepted Answer

has mass

Answer

can be refracted

Answer

travels in straight lines

Answer

is a form of energy

Question 6

The speed of light is

Accepted Answer

300000 km/s

Answer

300000 km/h

Answer

infinite

Answer

300 m/s

Question 7

A refracting telescope would use

Accepted Answer

lenses

Answer

glass

Answer

opaque surface

Answer

mirrors

Question 8

A reflecting telescope would use

Accepted Answer

mirrors

Answer

glass

Answer

opaque materials

Answer

lenses

Question 9

The distance from crest to crest in a wave is called the

Accepted Answer

wavelength

Answer

crest

Answer

amplitude

Answer

frequency

Question 10

This device would be used to see very distant objects in space

Accepted Answer

telescope

Answer

camera

Answer

binoculars

Answer

microscope

Question 11

This scientist discovered the law of reflection

Accepted Answer

Euclid

Answer

Ptolemy

Answer

al-Haytham

Answer

Pythagoras

Question 12

This is the top of a light wave

Accepted Answer

crest

Answer

amplitude

Answer

trough

Answer

wavelength

Question 13

This is the height of a light wave

Accepted Answer

amplitude

Answer

wavelength

Answer

trough

Answer

crest

Question 14

This is the longest form of electromagnetic radiation

Accepted Answer

Radio

Answer

Light

Answer

X-ray

Answer

Ultraviolet

Question 15

This type of electromagnetic radiation can be felt in the form of heat

Accepted Answer

infrared

Answer

x-rays

Answer

gamma rays

Answer

ultraviolet

Question 16

This unit is used to measure the frequency of light waves

Accepted Answer

hertz

Answer

meters

Answer

nanometers

Answer

newtons

Question 17

This scientist discovered and described refraction

Accepted Answer

Ptolemy

Answer

Newton

Answer

Pythagoras

Answer

Euclid

Question 18

The bending of light is

Accepted Answer

refraction

Answer

reflection

Answer

frequency

Answer

impossible

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