WorksheetsConcept of Light
Total questions: 10
Worksheet time: 5mins
Scientists now agree that light is composed of
only electromagnetic waves
only protons
electromagnetic waves and particles called photons
an unknown source
The time it takes light to travel across the orbit of Earth is about
less than a second
8 minutes
22 minutes
4 years
All of the following are part of the electromagnetic spectrum EXCEPT
light
sound
radio waves
x-rays
Strictly speaking, the photons of light that shine on glass are
the ones that travel through and exit the other side
not the ones that travel through and exit the other side
absorbed and transformed to thermal energy
reflected
Light that is not transmitted by opaque materials is
converted to internal energy in the material
mainly reflected
mainly refracted
transmitted at a lower frequency
When the shadow of the moon falls on Earth we have a
lunar eclipse
solar eclipse
solar eclipse if it’s daytime and lunar eclipse if it’s nighttime
very dangerous event
Polarization occurs when waves of light are
undergoing interference
longitudinal
aligned
in harmony
The best way to view something in 3-D is to
have keen eyesight
use two eyes
use only one eye
be slightly cross-eyed
What is a wave that can travel through the vacuum of space?
sound wave
light waves
ocean wave
beauty queen wave
(a) are massless bundles of concentrated electromagnetic energy
