Question

Quick Check
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ca
is
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What type of lens is mentioned in the
following:
a) A lens thick in the middle and thin at the
edges
b) A lens which is used as a magnifying glass
c) A lens thin in the middle and thick near
the edges
d) A lens which forms a virtual and
diminished image always
e) A lens which burns a back paper when
sunlight passes through it
VIE
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Answer 1

Answer:

$1)convex \: lens \\ 2)convex \: lens \\ 3)concave \\ 4)concave \: \\ 5)convex$