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15
×
The angle of incidence is always ................... to the angle of reflection
equal/ same
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15
×
Mention 2 examples of non-luminous object
Table, book
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thief
Give points!
5
10
15
20
25
×
gold
Win 50 points!
Okay!
×
gift
Win 10 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
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monster
Reset all scores!
Oops!
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gift
Win 15 points!
Okay!
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gift
Win 15 points!
Okay!
×
baam
Lose 10 points!
Oops!
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banana
Go to last place!
Oops!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
Mention the example of rough surface
paper, stone
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15
×
Which two filters, if placed together, would absorb all colours of light?
Red and green or red and blue would absorb all colours.
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15
×
When the light strikes from air to the glass, it will bend .................... to the normal
towards
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15
×
Mention 4 examples sources of light
Sun, Bulb, Flash Light, Fire
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15
×
Why you can see a moon at the night??
Because the moon is reflected the light from the sun
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15
×
Explain why it looks green when white light shines on it. Use the words âreflectedâ and âabsorbedâ in your explanation.
The postbox looks green because red light is reflected by its paint. All other colours contained in white light are absorbed by the green paint.
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banana
Go to last place!
Oops!
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star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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15
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25
15
×
Which colour is refracted least?
red
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15
×
What is the name of the object that not allowed the light to pass?
Opaque
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15
×
water is ......................... medium than air
more
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15
×
When the light strikes from water to the air, it will bend .................... to the normal
Far away
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×
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