The mass of hydrogen atom is 1.66 xx 10^...

The mass of hydrogen atom is `1.66 xx 10^(-24)g` and Planck's constant is `6.64 xx 10^(-27)` erg.sec. The de Broglie wavelength of a hydrogen atom moving with a velocity half that of light of

A

`2.66 xx 10^(-5) Å`

B

`2.66 xx 10^(-13) Å`

C

`2.66 xx 10^(-10) Å`

D

`2.66 xx 10^(-27) Å`

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The correct Answer is:

A

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