Question

The three things needed for the fire is Heat, fuel, oxygen

Here laser when focused on the paper it burns/ creates fire
so here no fuel is used ,but why it creates fire??????????

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Answer 1

Answer:

The heat is obtained by focused laser , paper works as a fuel here and oxygen is of course present around it

Answer 2

Answer:

=> Bro there heat is produced to burn the paper.. When u will going to focused then the all heat energy going to centred in a point.. which creates..

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