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a. Why de-Broglie wave associated with a...

a. Why de-Broglie wave associated with a moving car is not visible ?
b. What is de-Broglie hypothesis?
c. Give expressions for de-Broglie wavelength.

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a. Mass is too large
b. Every material particle in the state of motion possesses an associated wave where wavelength is given by `lambda=(h)/(p)`, where h is the Plank.s constant and p- the momentum.
c. `lambda=(h)/(p)`
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