Light-REVISION
Authored by Menaka T
Science
6th - 8th Grade
Used 2+ times
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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What term is used to describe a wave which causes particles to move at right angles to the direction of motion?
mechanical
transverse
longitudinal
electromagnetic
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of waves produced every second is called the:
frequency
amplitude
wavelength
visible spectrum
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the image below, which piece of paper has a wave with the highest amplitude?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The type of material being utilised in the image below can be described as:
Transparent
translucent
polarising
opaque
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An apple appears red because:
molecules in the skin of the apple emit red light
molecules in the skin of the apple only absorb red light
molecules in the skin of the apple convert other wavelengths of light to red light
molecules in the skin of the apple reflect red wavelengths and absorb all the others.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The missing word in the diagram below is:
incident ray
normal.
angle of incidence.
angle of reflection.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The angle of reflection is best described as the:
incoming ray of light that hits the reflecting surface
outgoing ray of light that is reflected off the surface.
angle between the incident ray and the normal.
angle between the reflected ray and the normal.
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