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15
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Which of the following reflect light the most? a) Mirror b)A piece of paper c)a cloth d)a green leaf
A Mirror
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15
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what is the phenomena of breaking of light into 7 colours called?
Dispersion
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15
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What is the speed of light?
300000km/sec
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15
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3 things required to form a shadow?
Source of Light opaque object Screen
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15
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Is Light a Wave?
Yes, It is an electromagnetic wave
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15
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Define Reflected ray?
The ray that reflects or bounces off the mirror.
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15
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Light rays are reflected from a smooth surface.What is this type of reflection called?
Regular Reflection.
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15
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Metals are shiny because...............
They reflect a lot of light
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lifesaver
Give 10 points!
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seesaw
Swap points!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
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lifesaver
Give 25 points!
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gift
Win 15 points!
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fairy
Take points!
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25
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lifesaver
Give 20 points!
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15
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What is the band of seven colours of light called?
Spectrum
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seesaw
Swap points!
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gift
Win 25 points!
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fairy
Take points!
5
10
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25
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lifesaver
Give 5 points!
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trap
No points!
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star
Double points!
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fairy
Take points!
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25
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lifesaver
Give 25 points!
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15
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When a water droplet breaks light into the 7 colours what do we see?
A rainbow
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15
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Light rays are reflected from rough surface.What is this type of reflection called?
Irregular reflection
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15
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Can light travel in vacuum?
yes,Light can travel through Vacuum
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