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