A radioactive nucleus initially at rest decays by emitting an electron and neutron at right angles to one another. The momentum of the electron is 
kg m/s and that momentum of the neutron is 
kg m/s. The direction of the recoiling nucleus with that of the electron motion is
a)
b)
c)
d)
A radioactive nucleus initially at rest decays by emitting an electron and neutron at right angles to one another. The momentum of the electron is kg m/s and that momentum of the neutron is kg m/s. The direction of the recoiling nucleus with that of the electron motion is
a)
b)
c)
d)
Question ID - 100137 | SaraNextGen Answer
A radioactive nucleus initially at rest decays by emitting an electron and neutron at right angles to one another. The momentum of the electron is kg m/s and that momentum of the neutron is kg m/s. The direction of the recoiling nucleus with that of the electron motion is
a)
b)
c)
d)
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A radioactive nucleus initially at rest decays by emitting an electron and neutron at right angles to one another. The momentum of the electron is |
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a) |
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b) |
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c) |
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d) |
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(a)
kg/s
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According to law of conservation of momentum, the residual nucleus must move in a direction just opposite to that of 
as shown in the figure. Hence, direction of the recoiling nucleus with that of the electron motion 
