according to the law of conservation of energy , energy is neither created nor destroyed , then from where electrons get their energy, is there any energy production centres inside an electron

Hello There!!

Explanation:

Electrons get their energy by absorbing light.

hope this helps,have a great day!!

~Pinky~

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle