Q9 of 15 Page 118

Kavya observed that a discharged dry cell which kept in sun light by her father for few hours got ability to glow LED. She got many doubts and questions to raise. Can you guess those questions or doubts?

The questions are:

i. How sunlight recharge the discharged dry cell?


ii. What is the main reason behind this?


iii. Is this the only way to recharge the dry cell?


iv. How long it will remain recharge now?


v. Can we charge other things too by the help of sunlight?


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