Answer in brief.
a) Define 'source of light'.
b) Define 'luminous object'.
c) what do we mean by rays?
d) give two examples of opaque objects.
e) how does a shadow form?
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Answer:
Answer in brief.
a) Define 'source of light'.
b) Define 'luminous object'.
c) what do we mean by rays?
d) give two examples of opaque objects.
e) how does a shadow form?
Explanation:
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