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Question

Suppose an electron beam is used to probe the internal structure of a neutron. The required kinetic energy of the electron is (assume the diameter of a neutron to be of the order of 1015m) of the order of


A

1 MeV

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B

10 MeV

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C

100 MeV

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D

1000 MeV

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Solution

The correct option is D

1000 MeV


λ=hp,KE=pc=hλC subsitituting ,λ=103MeV


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