WBJEE 2021 Physics and Chemistry Solved Paper
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PHYSICS
CATEGORY - I (Q1 to Q30)
Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.
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Question : 30 of 80
Marks:
+1,
-0
A spherical convex surface of power 5 dioptre separates object and image space of refractive indices 1.0 and
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