Multiple Choice Question II — task. Science CBSE, Class 10.

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1. Air is not visible because it

is nearly a perfectly transparent substance
neither absorbs nor reflects light
transmits whole of light
all the above are correct

2. According to laws of reflection of light:

Angle of incidence is equal to the angle of reflection
Angle of incidence is less than the angle or reflection
Angle of incidence is greater than the angle of reflection
none of these

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