The phenomena where the law of energy conservation is doubted is electron jump to higher energy level.
What is law of conservation of energy?
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another.
Which phenomena violates law of conservation of energy?
As the electrons get excited, they are able to jump to higher levels.
Niels Bohr proposed that these electrons violated the law of conservation of Energy momentarily.
He stated that with each jump, energy is either created or destroyed by the electrons during the whole process.
Thus, the phenomena where the law of energy conservation is doubted is electron jump to higher energy level.
Learn more about conservation of energy here: https://brainly.com/question/166559
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