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15
×
Which wave on the EM spectrum can be used in thermal cameras to identify people in the dark?
Infrared
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15
×
Derek the raver goes to a disco wearing white gloves, what colour do they look in green light? Why?
Green, white gloves reflect green light
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lifesaver
Give 20 points!
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shark
Other team loses 20 points!
Okay!
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shark
Other team loses 10 points!
Okay!
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banana
Go to last place!
Oops!
15
×
What is A?
Incident ray
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15
×
What is 'i'?
Angle of incidence
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What is B?
The normal
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15
×
What is the law of reflection?
The law of reflection states that: angle of incidence i = angle of reflection r.
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15
×
Name one property of a mirror image
Appears to be behind mirror/correct way up/inverted
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baam
Lose 20 points!
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magnet
Take 10 points!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 10 points!
Oops!
15
×
Wood is an example of which type of surface?
Opaque
Translucent
Transparent
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15
×
Red light has the longest wavelength, does it refract the least or the most?
Least
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15
×
What is 'r'?
Angle of reflection
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lifesaver
Give 20 points!
Oops!
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shark
Other team loses 25 points!
Okay!
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fairy
Take points!
5
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25
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thief
Give points!
5
10
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25
15
×
Red light has the lowest energy, does it have the longest or shortest wavelength?
Longest
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25
×
What happens to light when it goes from a gas through a solid?
Denser medium, slows down, changes direction (refraction)
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15
×
What is the speed of light in air?
300 000 000 m/s
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