SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

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 :-

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)

1 Answer
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3537

Answer Key : (a) -

(a)

 kg/s

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



Next Question :

In the following question, numbers are arranged in a series with some principles understanding it.  One term in the series is missing as shown by _________.  This term is given as one of the alternatives amongst the four options given below it.  Find this term.

17, 22, 26, 29, ____________, 32, 32

(a)

30

(b)

31

(c)

32

(d)

29


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