Question

convex lens form a virtual image of an object placed ________
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Answer 1

Answer:

b) BETWEEN 2F1 AND F1

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Answer 2

3)D between F1 and optical center

4) D 4°C

5)B Mg

Explanation:

4° due to anamolous behaviour of water

MgCl2 is the chloride compound of magnesium

*Extra*

NaCl so not possible,AlCl3 so again not possible ,SiCl4 so again not possible