concave mirror can be used to burn a paper by using a solar ray
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ᴀɴsᴡᴇʀ :-
concave mirror can be used to burn a paper by using a solar ray.
ᴛʀᴜᴇ, ᴛʜᴇ ᴀʙᴏᴠᴇ sᴛᴀᴛᴇᴍᴇɴᴛ ɪs ᴄᴏʀʀᴇᴄᴛ.
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