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Two particles A and B have de-Broglie's ...

Two particles A and B have de-Broglie's wavelength `30Å` combined to from a single particle. C Momentum is conserved in this processs. The possible de-Broglile's wavelength of C is (the motion in one dimensional)

A

`10Å`

B

`20Å`

C

`60Å`

D

`80Å`

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The correct Answer is:
C
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