**The Uncertainty Principle**

Laplace argued that universe wass deterministic i.e. we can predict the changes in the state of the universe provided we know the current state of the universe. However, Heisenberg's uncertainty principle showed that the more accurate we try to measure the location of an object the less accurate the result would be. As a result, it is difficult to measure the state of the universe at any given point of time.

Plank's quantum hypothesis and Heisenberg's uncertainty principle led to the theory of quantum mechanism where position of an object is defined in terms of probabilities i.e. an object would be at position A in time B with some probability C.

The dual nature of light is an implication of quantum mechanics. Quantum hypothesis said that light energy, which was thought to be composed of waves, was dissipated in terms of particles called quanta. The uncertainty principle said that particles may seem to be occurring at multiple positions based on the measurement. Interference of waves as well as particles (double-slit experiment) was observed.

The interference of particles helped physicists in understanding the nature of orbits of electrons in an atom. There are only a finite number of valid orbits in an atom because of the positive interference of electrons around the nucleus. The negative interference of electrons leads to the unavailability of certain orbits around the nucleus.

Einstein's general theory of relativity (classical theory) does not take the theory of quantum mechanism into consideration. It is necessary to combine both the theories in order to have a general, unified, consistent theory.

Plank's quantum hypothesis and Heisenberg's uncertainty principle led to the theory of quantum mechanism where position of an object is defined in terms of probabilities i.e. an object would be at position A in time B with some probability C.

The dual nature of light is an implication of quantum mechanics. Quantum hypothesis said that light energy, which was thought to be composed of waves, was dissipated in terms of particles called quanta. The uncertainty principle said that particles may seem to be occurring at multiple positions based on the measurement. Interference of waves as well as particles (double-slit experiment) was observed.

The interference of particles helped physicists in understanding the nature of orbits of electrons in an atom. There are only a finite number of valid orbits in an atom because of the positive interference of electrons around the nucleus. The negative interference of electrons leads to the unavailability of certain orbits around the nucleus.

Einstein's general theory of relativity (classical theory) does not take the theory of quantum mechanism into consideration. It is necessary to combine both the theories in order to have a general, unified, consistent theory.

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