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De-broglie proposet dual nature for matt...

De-broglie proposet dual nature for matter `lambda = (h)/(m v)` and `lambda = (h)/(sqrt(2mK.E))` where m = mass, h = plancks constant. Dual nature is particle and wave nature.
If an electron is accelerated by applying 100 V. The wavelength of electron is

A

12.3 A

B

1.23 A

C

2.6 A

D

3.2 A

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The correct Answer is:
B
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De-broglie proposet dual nature for matter lambda = (h)/(m v) and lambda = (h)/(sqrt(2mK.E)) where m = mass, h = plancks constant. Dual nature is particle and wave nature. Which one is not related to de-Broglie.s concept

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