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15
×
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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Light rays are reflected from rough surface.What is this type of reflection called?
Irregular reflection
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seesaw
Swap points!
Oops!
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shark
Other team loses 20 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
Oops!
15
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Is Light a Wave?
Yes, It is an electromagnetic wave
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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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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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How do we see an object?
When the reflected ray from that object reaches our eyes, we see
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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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Define Incident Ray?
The ray that comes from an object and strikes the mirror.
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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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What is the band of seven colours of light called?
Spectrum
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15
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Which surface ,mirror or wood reflect light better?How do we know?
A mirror, as it's shiny and we can see our reflection on it.
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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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seesaw
Swap points!
Oops!
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fairy
Take points!
5
10
15
20
25
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
Oops!
15
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Metals are shiny because...............
They reflect a lot of light
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baam
Lose 5 points!
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rocket
Go to first place!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
banana
Go to last place!
Oops!
×
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