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Light waves
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Total cards: 8•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (8)
#1
Front (Question)
what is light produced by? And what are they?
Back (Answer)
Luminous objects like sun, candles, light bulbs, flames and glow worms Transverse waves
#2
Front (Question)
What direction do light waves travel?
Back (Answer)
A straight line
#3
Front (Question)
How can light waves be reflected?
Back (Answer)
by mirrors
#4
Front (Question)
What slows down light waves?
Back (Answer)
By particles
#5
Front (Question)
What is the speed of light in a vacuum?
Back (Answer)
3 x 10⁸ m/s
#6
Front (Question)
How can light travel the fastest?
Back (Answer)
through a vacuum - no air, no particles, nothing at all
#7
Front (Question)
How long does the light from the sun get to the earth?
Back (Answer)
8.3 minutes
#8
Front (Question)
How far away is the sun from the earth?
Back (Answer)
150,000,000 Km