α, β and γ Radiations

IMPORTANT

α, β and γ Radiations: Overview

This topic covers concepts, such as Alpha Decay, Change in Atomic Number after Alpha Decay, Change in Mass Number after Alpha Decay, Beta Decay, Neutrino and Antineutrino, Pauli's Explanation of Beta Decay, Positive Beta Decay, etc.

Important Questions on α, β and γ Radiations

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Physics>Nuclear Physics>α, β and γ Radiations> Q 1

Out of the two characteristics – the mass number (A) and the atomic number (Z) – of a nucleus, which one does not change during nuclear   β− decay?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 2

Out of the two characteristics – the mass number (A) and the atomic number (Z) – of a nucleus, which one does not change during nuclear   β− decay?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 3

The end product on the β− decay of   15 32 P  is:

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Physics>Nuclear Physics>α, β and γ Radiations> Q 4

The end product of the β- decay of 1532P is

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Physics>Nuclear Physics>α, β and γ Radiations> Q 5

Which are amongst the following represent plot of the distribution of kinetic energy of β− particles?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 6

β− particle is emitted in a radio active reaction when

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Physics>Nuclear Physics>α, β and γ Radiations> Q 7

In the Uranium radioactive series, the initial nucleus is   238 92 U  and the final nucleus is   206 82 Pb . When the Uranium nucleus decays to lead, the number of  α-particles emitted is _______________ and the number of   β-particles emitted is _______________.

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Physics>Nuclear Physics>α, β and γ Radiations> Q 8

In which process neutron is converted into proton?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 9

Concept of neutrino was given by,

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Physics>Nuclear Physics>α, β and γ Radiations> Q 10

The penetrating powers of a, b and g radiations, in decreasing order, are

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Physics>Nuclear Physics>α, β and γ Radiations> Q 11

Ne1022 nucleus decays into two α-particles and an unknown nucleus. The unknown nucleus is

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Physics>Nuclear Physics>α, β and γ Radiations> Q 12

Which radiation has the highest penetrating power?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 13

The energy spectrum of β−particles [number N(E) as a function of β−energy E] emitted from a radioactive source is

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Physics>Nuclear Physics>α, β and γ Radiations> Q 14

Find the neutron-proton ratio in the daughter element when one α− particle is emitted by U92238

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Physics>Nuclear Physics>α, β and γ Radiations> Q 15

Do beta particles have low velocity?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 16

What is the velocity of a beta particle?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 17

Is beta positive or negative?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 18

Which option is a beta particle?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 19

What is the velocity of beta particle?

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Physics>Nuclear Physics>α, β and γ Radiations> Q 20

Which of the following reaction cannot represents K-capture.