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Physics CBSE Live product
Class 10
The human eye and colourful world
Annual Revision II - The human eye and colourful world
9.
Phenomena of light
Question:
2
m.
Section B: Give a short answer to the question given below.
The colour of clear sky from the earth appears blue but from the space it appears black. Why?
The sky appears blue because of the
no trace of molecules
no vacuum space
no atmosphere
presence of the atmosphere
which
does not reflect
does not scatter
scatters
reflects
blue light.
Space has
no atmosphere
not vacuum
presence of the atmosphere
presence of molecules
and
no light is scattered
light is scattered
light is reflected
no light is reflected
, hence it appears dark.
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