Question

IMPORTANT FORMULAS IN THE FOLLOWING CHAPTER OF SCIENCE:- (1)LIGHT.
(2)ELECYRICITY.
(3) MAGNRTIC EFFECTS OF ELECTRIC CURRENT.
4) light reflection and refraction and
5) sources of energy...

PLEASE ANSWER TOMMOROW IS MY BOARD PAPER...​

Answer 1

Electricty =
¤ q=ne
¤ i =q/t
¤ v=ir
¤ p=vi
¤ h=i*irt
¤ h=v*vr/t

Source of Energy =
e=mc square

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Answer 2

Hope it helps It's not sufficient