MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test

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MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test

  • Total Questions20

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MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test

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Question # 1

If the radioactive substance reduces to 𝟏 𝟏𝟔 PHYSICS of its original mass in 40 days then its half-life is:

Question # 2

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

Question # 3

A thorium nucleus is formed when a uranium nucleus emits an 𝑎 −particles. Atomic number of thorium is :

Question # 4

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 # 5

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 # 6

The binding energy per nucleon is:

Question # 7

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

Question # 8

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 # 9

𝑎, 𝖰 𝒂𝒏𝒅 radiations come out of radioactive substance:

Question # 10

The fusion of hydrogen into helium is more likely to take place:

Question # 11

Which of the following have maximum ionization power?

Question # 12

Because of large mass when 𝑎 −paricle enters the atom or molecule it:

Question # 13

The mother and daughter elements with the emission of 𝖰 − 𝒓𝒂𝒚𝒔, are called:

Question # 14

A radioactive isotope 𝟐𝟑𝟖 𝑼 decays consecutively to 𝟐𝟑𝟒 𝑼 the particles emitted are:

Question # 15

During a negative β-decayv

Question # 16

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

Question # 17

In an 𝑎 −decay:

Question # 18

When the radioactive nucleus emits a beta particle, the proton neutron ration:

Question # 19

Half-life of radon gas is:

Question # 20

When a radioactive nucleus emits a 𝖰 −paritcles, the mass number of the atom:

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