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