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Two particles of masses m and 2m have eq...

Two particles of masses `m` and `2m` have equal kinetic energies. Their de Broglie wavelengths area in the ratio of:

A

`1:1`

B

`1:2`

C

`1:sqrt2`

D

`sqrt2:1`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • A particle of mass 3m at rest decays into two particles of masses m and 2m having non-zero velocities. The ratio of the de Broglie wavelengths of the particles ((lamda_1)/(lamda_2)) is

    A
    `(1)/(2)`
    B
    `(1)/(4)`
    C
    `2`
    D
    none of these

  • A particle of mass 4m at rest decays into two particles of masses m and 3m having non-zero velocities. The ratio of the de Broglie wavelengths of the particles 1 and 2 is

    A
    `(1)/(2)`
    B
    `(1)/(4)`
    C
    `2`
    D
    `1`

  • A particle of mass 4m at rest decays into two particles of masses m and 3m having nonzero velocities. The ratio of the de Broglie wavelengths of the particles 1 and 2 is (take h = 6.6 xx 10^(-34) m^2 kg s^-1 )

    A
    `1//2`
    B
    `1//4`
    C
    2
    D
    1
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