Question

Q.2. Give scientific reason. (any 2)
1. Obtaining the image of the sun on a paper with help of concave mirror burn the paper.
2. The roof of a movie theatre and a conference hall is curved.
3. Some plants are prickly and cause irritation on the skin.​

Answer 1

Answer:

Explanation:

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Answer 2

• 1 because the concave lens focuses the light rays on the paper.