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The de - Broglie wavelength of a neutron...

The de - Broglie wavelength of a neutron at `27 ^(@) C` is `lambda`. What will be its wavelength at `927^(@) C`?

A

`lambda/2`

B

`lambda/2`

C

`lambda/4`

D

`(3lambda)/2`

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The correct Answer is:
A
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