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de - Broglie wavelength of a body of mas...

de - Broglie wavelength of a body of mass `1 kg` moving with velocity of `2000 m//s` is

A

`3.32 xx 10^(-27) Å`

B

`1.5 xx 10^(7) Å`

C

`0.55 xx 10^(-22) Å`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`lambda = (h)/(mv) = (6.6 xx 10^(-34))/(1 xx 2000)`
`= 3.3 xx 10^(-27) Å`
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Knowledge Check

  • The de Broglie wavelength of an object of mass 33 g moving with a velocity of 200 ms^(-1) is of the order of :

    A
    `10^(-31)`m
    B
    `10^(-34)`m
    C
    `10^(-37)`m
    D
    `10^(-41)`m

  • The de Broglie wavelength of a ball of mass 10g moving with a velocity of 10 ms^(-1) is (h = 6.626 xx 10^(-34) Js)

    A
    `6.626 xx 10^(-33) m`
    B
    `6.626 xx 10^(-29) m`
    C
    `6.626 xx 10^(-31) m`
    D
    `6.626 xx 10^(-36) m`

  • What is the de Broglie wavelength of a 2 kg mass moving with a velocity of 10 m/s?

    A
    `6.6xx10^(-35) m`
    B
    `3.3xx10^(-35) m`
    C
    `8xx10^(-35) m`
    D
    `2.5xx10^(-35) m`

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    The de-Broglie wavelength of a particle of mass 6.63 g moving with a velocity of 100 ms^(-1) is:

    The de-Broglie wavelength of the tennis ball of mass 60g moving with a velocity of 10m//s is approx.: (Plank's constant h=6.63xx10^(-34)Js )

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