Light Waves I - SS3 Physics Past Questions and Answers - page 1
1
Light waves are ___Â types of waves
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A
Mechanical
B
TransverseÂ
Â
C
Electromagnetic
D
Longitudinal
2
Light waves can travel through both media and vacuums
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A
false
B
true
C
theoretically
D
plausibly
3
Which of the following behaviours can light waves not exhibit
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A
diffraction
B
refraction
C
perpetuation
D
reflection
4
Visible light has an approximate wavelength of
Â
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A
50 to 80 meters
B
40 to 85 kilometres
C
400 to 700 nanometers
D
60 to 90 centimetres
5
Which of the following colours in the visible light spectrum has the longest wavelength?
Â
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A
Red
B
Blue
C
Pink
D
Violet
7
In what fields can the knowledge of light waves be applied?
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8
The electromagnetic spectrum refers to
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A
The ranking of colours by wavelength
B
The ranking of colours by frequencies
C
The entire range of electromagnetic radiation
Â
D
The entire range of visible light and colours
9
The following are regions of the electromagnetic spectrum expect
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A
X-rays
B
Gamma rays
C
Alpha rays
Â
D
Infrared
10
Waves from which of the following regions of the electromagnetic spectrum is used for cancer treatment
Â
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A
Radio waves
B
Microwaves
C
Visible light
D
Gamma rays
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