ICSE - X - Physics
1)When can a normal convex lens act as a concave lens?
2)Two bulbs of power P1 and P2 are connected in the circuit.Now P1 is greater than P2.Then,which bulb glows more brightly and why?
1) Kindly refer the following link for the answer :
NOTE: Kindly ask the other question as a separate query.
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