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In the Rutherford scattering experiment ...

In the Rutherford scattering experiment the number of alpha particles scattered at an angle `theta=60^@`is 12 per min.The number of alpha particles per min when scattered at angle of `90^@`

A

160

B

10

C

6

D

3

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • Rutherford’s scattering formula fails for very small scattering angles because

    A
    kinetic energy of `alpha` particles is larger
    B
    the gold foil is very thin
    C
    the full nuclear charge of the target atom is partially screened by the electrons
    D
    All of these

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  • What is the number of particles per unit cell in a face-centred cubic lattice-

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