Concept explainers
(a)
Interpretation:
The wavelengths of an electron and a proton are to be determined.
Concept introduction:
According to de-Broglie, just like light, matter also has a dual character as a wave and as a particle. The term wavicle was proposed for such a particle. However, matter waves are different from
The de Broglie equation to relate the wavelength of a moving particle with its mass and velocity is as follows:
Here,
(b)
Interpretation:
The wavelengths of an electron and a proton are to be determined.
Concept introduction:
According to de-Broglie, just like light, matter also has a dual character as a wave and as a particle. The term wavicle was proposed for such a particle. However, matter waves are different from electromagnetic waves. The speed of matter waves is much less compared to the speed of light. Matter waves cannot propagate through empty space. Matter waves are not emitted by the particles under consideration but are rather associated with them. Compared to the wavelengths of the electromagnetic waves, the wavelengths of the matter waves are very small.
The de Broglie equation to relate the wavelength of a moving particle with its mass and velocity is as follows:
Here,
The kinetic energy of a particle is defined as the energy possessed by it due to its motion. It depends on the mass and square of the velocity of an object. The value of kinetic energy can never be negative. It is either zero or positive.
The formula to calculate the kinetic energy of a particle is as follows:
Here,
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Chapter 7 Solutions
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