Question

Manoj a 12 year old boy to obtain the lens from one of his friends Manoj held the lens towards the sun and started looking at the sun through it on seeing this Manoj elder brother ran towards him and snatched away the lens from him the brother firmly told me not not do it again what could be the reason why brothers snatched the lens from Manoj what could be the nature of lens​

Answer 1

Answer:

concave lens

Explanation:

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Answer 2

It is can be a Convex because they have a Converging power which can be danger or harmful in above situation and hence his brother tells him not to do it again