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What is the de-Broglie wavelength associ...

What is the de-Broglie wavelength associated with (a) an electron moving with speed of `5.4xx10^6ms^-1`, and (b) a ball of mass 150g traveling at `30.0ms^-1`? `h=6.63xx10^(-34)Js`, mass of electron `=9.11xx10^(-31)kg`.

A

`0.155nm, 1.47 xx 10^(-24)m`

B

`0.145nm, 1.47 xx 10^(-32)m`

C

`0.125nm, 1.47 xx 10^(-36)m`

D

`0.135 nm, 1.47 xx 10^(-34)m`

Text Solution

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The correct Answer is:
D
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What is the de-Broglie wavelength associated with (a) an electron moving with speed of 5.4xx10^6ms^-1 , and (b) a ball of mass 150g travelling at 30.0ms^-1 ? h=6.63xx10^(-34)Js , mass of electron =9.11xx10^(-31)kg .

What is the de-Broglie wavelength associated with an electron moving with a speed of 5.4 xx 10^6 ms^(-1) ?

Knowledge Check

  • What will be de-Broglie wavelength of an electron moving with a velocity of 1.2xx10^5 "ms"^(-1)

    A
    `6.071xx10^(-9)`
    B
    `3.133xx10^(-37)`
    C
    `6.626xx10^(-9)`
    D
    `6.018xx10^(-7)`

  • What will be de Broglie's wavelength of an electron moving with a velocity of 1.2 xx 10^(5) ms^(-1) ?

    A
    `6.044 xx 10^(-9) `m
    B
    `3.133 xx 10^(-37)` m
    C
    `6.626 xx 10^(-9)` m
    D
    `6.018 xx 10^(-7)`m

  • The de-Broglie wavelength associated with a particle of mass 10^-6 kg moving with a velocity of 10 ms^-1 , is

    A
    `6.63 xx 10^-22 m`
    B
    `6.63 xx 10^-29 m`
    C
    `6.63 xx 10^-31 m`
    D
    `6.63 xx 10^-34 m`

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