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A hydrogen molecule and helium atom are ...

A hydrogen molecule and helium atom are moving with the same velocity. Then the ratio of their de Broglie wavelength is

A

`1:1`

B

`1:27`

C

`2:1`

D

`2:3`

Text Solution

Verified by Experts

The correct Answer is:
C
`lambda_1/(lambda_2) = (m_2)/(m_1)`
Hydrogen molecules nd helium mass ratio is 1:2
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