Welcome to the Quiz!
This quiz contains 8 questions from a mix of 1 subtopics.
Which of the following best describes plane polarised waves?
waves that only vibrate parallel to their direction of travel
waves that vibrate in a single plane perpendicular to their direction of travel
waves that vibrate in multiple perpendicular planes
waves that vibrate in spiral patterns
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What type of waves can be plane polarised?
neither longitudinal nor transverse waves
both longitudinal and transverse waves
longitudinal waves
transverse waves
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In an experiment with two crossed polarising filters rotated relative to each other, at what orientation is light transmission blocked completely?
45°
90°
0°
180°
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What happens when unpolarised light passes through a polarising filter?
it becomes circularly polarised
it becomes randomly polarised
it becomes longitudinally polarised
it becomes plane polarised
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Malus's law gives the transmitted intensity (I) of polarised light after an analyser in terms of:
incident intensity and refractive index
incident intensity and speed
incident intensity (I0) and angle between the transmission axes (θ)
incident intensity and wavelength
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What type of waves require different techniques compared to light for achieving polarisation?
microwaves
X-rays
radio waves
infrared waves
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How does a metal grille polarise microwaves?
by reflecting the microwaves
by diffraction from the wires
by refracting the microwaves
by selectively absorbing microwaves parallel to the wires
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How can light polarisation be investigated using filters?
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