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Team 2
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15
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Does light always travel in straight line?
Yes,light always travels in straight line till it is blocked by an object.
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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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trap
No points!
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star
Double points!
Okay!
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shark
Other team loses 10 points!
Okay!
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banana
Go to last place!
Oops!
15
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You cannot see a burning candle using a bent pipe?Why
Light travels in a straight line.
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15
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Can light travel in vacuum?
yes,Light can travel through Vacuum
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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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Define Incident Ray?
The ray that comes from an object and strikes the mirror.
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lifesaver
Give 25 points!
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seesaw
Swap points!
Okay!
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gift
Win 25 points!
Okay!
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baam
Lose 20 points!
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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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boom
Lose 50 points!
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rocket
Go to first place!
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fairy
Take points!
5
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25
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baam
Lose 25 points!
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15
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A collection of rays are called.......................
Beam of Light
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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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Light rays are reflected from rough surface.What is this type of reflection called?
Irregular reflection
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eraser
Reset score!
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gift
Win 20 points!
Okay!
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gift
Win 25 points!
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thief
Give points!
5
10
15
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25
15
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What is white light?
It is the combination of 7 colours in the spectrum
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