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Optics - Section 4.2 Quiz
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Use the following information and diagram to answer the next 3 questions.
A red pen placed into a glass of water does not appear as normal.
What property of light is responsible for the pen appearing as it does?
Refraction
Reflection
Dispersion
Combination
The reason that the pen can be seen is because
light in the room reflects off the pen and travels to your eye.
light produced by the pen travels to your eye.
light from your eye reflects off the pen.
all the colours of the visible light spectrum are reflected from the pen.
In this example, light waves travel through water, glass and air. Considering this, which of the following statements best describes what is happening to the light in regard to the appearance of the pen?
The light waves are bent as they travel from water to glass, then bent again as they travel from glass to air.
Light waves are bent as they travel from water to glass, but do not bend when they travel from glass to air.
Light waves are not bent as they travel from water to glass, but bend when they travel from glass to air.
Light waves do not bend at all as they travel from water to glass to air.
Use the following information and diagram to answer the next 3 questions.
White light passing through a prism will emerge as all the colours you see in a rainbow.
What is responsible for the appearance of the rainbow of colours?
The colours of light refract by different amounts as they pass through the prism.
The colours of light reflect by different amounts as they pass through the prism.
The colours of light reflect by the same amount as they pass through the prism.
The colours of light refract by the same amount as they pass through the prism.
The seven colours represented in the rainbow are often expressed as the abbreviation
ROYGBIV
ROYBGIV
ROYGVIB
RIYGBOV
White light is made up of different colours of light that have
different wavelengths and frequencies.
different wavelengths, but the same frequency.
the same wavelength, but different frequencies.
same wavelength and frequency.
When two light waves of different wavelengths are refracted
the longer wavelength will refract less than the shorter wavelength.
the shorter wavelength will refract more than the longer wavelength.
they will always refract the same amount.
they combine into a new colour.
The following diagrams show the combination of different colours of light.
Considering the colours of light that are being combined, what colours should appear in positions A and B in the diagram?
A - yellow, B - magenta
A - magenta, B - cyan
A - cyan, B - magenta
A - magenta, B - yellow
Which of the following represents a group of additive primary colours?
Red, green, blue
Cyan, yellow, magenta
Red, blue, yellow
Red, green, yellow
An older version of the Vancouver Canucks jersey combined the bright colours black, orange and yellow.
Which of the following statements correctly describes how light produces the appearance of the jersey?
The jersey absorbs all colours except for yellow and orange, which are reflected.
The jersey absorbs all colours, except for yellow, orange and black, which are reflected.
The jersey reflects all colours except for yellow, orange and black, which are absorbed.
The jersey reflects all colours, except of yellow and orange, which are absorbed.
