Waves and vibrations revision
Authored by Kirstie Teacher)
Science
7th Grade
Used 5+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On a colour television screen, identify the colours of light that are mixed to produce magenta?
Green and blue
Green and red
Red and blue
Blue, red and green
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On a colour television screen, identify the colours of light that are mixed to produce cyan?
Green and blue
Green and red
Red and blue
Blue, red and green
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On a colour television screen, identify the colours of light that are mixed to produce yellow?
Green and blue
Green and red
Red and blue
Blue, red and green
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the wavelength of the waves in the picture?
12
6
3
18
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the amplitude of the waves in the picture?
12
6
3
18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
State a detector of infrared radiation
antenna
Photographic film
Geiger-muller tube
Black Bulb thermometer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what type of lens can be used to correct long sight?
Concave
Convex
Control
Conscript
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