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Convergence of concave mirror can be decreased by dipping in |
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a) |
Water |
b) |
Oil |
c) |
Both |
d) |
None of these |
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Convergence of concave mirror can be decreased by dipping in |
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|
a) |
Water |
b) |
Oil |
c) |
Both |
d) |
None of these |
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(d) Convergence (or power) is independent of medium for mirror |