MDCAT Physics Chapter 16 MCQ Test With Answer for Physics chapter 16 (Nuclear Physics)

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MCQ's Test For MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test

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MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test

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Question # 1

The most penetrating radiations out of the following is that of

Question # 2

When a radioactive nucleus remits a beta particle, the proton neutron ratio:

Question # 3

π‘Ž, 𝖰 𝒂𝒏𝒅 radiations come out of radioactive substance:

Question # 4

In an π‘Ž βˆ’decay:

Question # 5

Three quarks make up a:

Question # 6

For atomic nucleus, the binding energy per nucleon with increase in mass number:

Question # 7

The uranium Nucleus πŸπŸ‘πŸ– 𝑼 undergoes successive decays, emitting respectively π‘Ž βˆ’ π’“π’‚π’š,𝖰 βˆ’ π’“π’‚π’š 𝒂𝒏𝒅 βˆ’ π’“π’‚π’šπ’”. What is the atomic number and atomic mass of the resulting nucleus:

Question # 8

The number of electrons in a nucleus X of atomic number Z and mass number A is:

Question # 9

The half-life of a certain element is 3.5 days at STP. If the temperature is doubled and pressure is reduced to half then half-life of the same element will be:

Question # 10

Due to emission of 𝖰+ βˆ’ π’“π’‚π’šπ’”:

Question # 11

Nuclear fission experiments show that the neutrons the uranium nuclei into two fragment of about the same size. This process is accompanied by the emission of several:

Question # 12

A radioactive isotope πŸπŸ‘πŸ– 𝑼 decays consecutively to πŸπŸ‘πŸ’ 𝑼 the particles emitted are:

Question # 13

The phenomenon of radioactivity is associated with:

Question # 14

A thorium nucleus is formed when a uranium nucleus emits an π‘Ž βˆ’particles. Atomic number of thorium is :

Question # 15

Beta particles have less ionizing power than that of alpha particles because:

Question # 16

In 420 days, the activity of a sample of polonium (Po) fell to one-eight of its initial value. The half-life of polonium is :

Question # 17

The half-life of a radioactive element which has only 1//32 of its original mass left after a lapse of 60 days is:

Question # 18

The particles equal in mass or greater than mass of protons are called:

Question # 19

The mother and daughter elements with the emission of 𝖰 βˆ’ π’“π’‚π’šπ’”, are called:

Question # 20

A count rate 240 per minute reduces to 30 counts per min in 1 hour. The half-life of source is:

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