The idea that light can act as packets led to the discovery of Quantum mechanics. The correct option is A.
Quantum mechanics is a field of science that deals with the behavior of light and matter. It explains the properties of matter. The electron, proton, and neutron constituency of a matter.
Light has dual nature, which means it can act like both waves and particles. Light is made up of particles that are called photons. Light can also act as quanta or packets, which revealed a new theory, quantum mechanics.
Quantum mechanics help in the field of many inventions, alike circuits, and lasers. Einstein never believed in the theory of quantum mechanics.
Thus, the correct option is A. Quantum mechanics.
To learn more about quantum mechanics, refer to the link:
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The question is incomplete. Your most probably complete question is given below:
A. Quantum mechanics
B. Nuclear mechanics
C. Electrical mechanics
D. Physical mechanics
