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A proton and an antiproton come close to...

A proton and an antiproton come close to each other in vacuum such that the distance between them is 1.0 cm. Consider the potential energy to be zero at infinity. The velocity at this distance will be

A

1.17m/s

B

2.3 m/s

C

3.0 m/s

D

23m/s

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Knowledge Check

  • A proton and an antiproton come close to each other in vacuum such that the distance between them is 10 cm. Consider the potential energy to be zero at infinity. The velocity at this distance will be

    A
    1.17 m/s
    B
    2.3 m/s
    C
    3.0 m/s
    D
    23 m/s

  • If a proton and anti-proton come close to each other and annihilate, how much energy will be released ?

    A
    `1.5 xx 10^10 J`
    B
    `3 xx 10^-10 J`
    C
    `4.5 xx 10^-10 J`
    D
    None of these

  • A bird flying in sky and a fish in water look at each other. For which of them, the distance between them seem to be less?

    A
    Bird
    B
    Fish
    C
    Same for both
    D
    Cannot be determined

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