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MCQ's Test For MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test
Try The MCQ's Test For MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test
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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test
00:00
Question # 1
During a negative β-decayv
Question # 2
Half-life of radon gas is:
Question # 3
The most penetrating radiations out of the following is that of
Question # 4
When a radioactive nucleus remits a beta particle, the proton neutron ratio:
Question # 5
Which of the following have maximum ionization power?
Question # 6
The more readily fissionable isotope of uranium has an atomic mass of:
Question # 7
In an 𝑎 −decay:
Question # 8
Due to emission of 𝖰+ − 𝒓𝒂𝒚𝒔:
Question # 9
The uranium Nucleus 𝟐𝟑𝟖 𝑼 undergoes successive decays, emitting respectively 𝑎 − 𝒓𝒂𝒚,𝖰 − 𝒓𝒂𝒚 𝒂𝒏𝒅 − 𝒓𝒂𝒚𝒔. What is the atomic number and atomic mass of the resulting nucleus:
Question # 10
A radioactive isotope 𝟐𝟑𝟖 𝑼 decays consecutively to 𝟐𝟑𝟒 𝑼 the particles emitted are:
Question # 11
During a negative β-decay
Question # 12
The mother and daughter elements with the emission of 𝖰 − 𝒓𝒂𝒚𝒔, are called:
Question # 13
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 # 14
Three quarks make up a:
Question # 15
The number of electrons in a nucleus X of atomic number Z and mass number A is:
Question # 16
When a radioactive nucleus emits a 𝖰 −paritcles, the mass number of the atom:
Question # 17
A thorium nucleus is formed when a uranium nucleus emits an 𝑎 −particles. Atomic number of thorium is :
Question # 18
The example of nuclear fusion is:
Question # 19
Which row is correct for fission and for fusion?
Question # 20
Beta particles have less ionizing power than that of alpha particles because:
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MCAT Physics Chapter 16 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 𝑎, 𝖰 𝒂𝒏𝒅 radiations come out of radioactive substance: |
A. Spontaneously
B. When it is put in a reactor
C. When it is heated
D. Under pressure
|
| 2 | In nuclear fission reaction, when the products are 140X and 94Sr, the number of neutrons emitted is |
A. 1
B. 2
C. 5
D. 9
|
| 3 | Beta particles have less ionizing power than that of alpha particles because: |
A. Their smaller energy
B. Their smaller mass
C. Their smaller density
D. Their smaller charge
|
| 4 | The uranium Nucleus 𝟐𝟑𝟖 𝑼 undergoes successive decays, emitting respectively 𝑎 − 𝒓𝒂𝒚,𝖰 − 𝒓𝒂𝒚 𝒂𝒏𝒅 − 𝒓𝒂𝒚𝒔. What is the atomic number and atomic mass of the resulting nucleus: |
A. 90, 238
B. 91, 234
C. 92, 236
D. 92, 238
|
| 5 | The particles equal in mass or greater than mass of protons are called: |
A. Leptons
B. Mesons
C. Baryons
D. Quarks
|
| 6 | The mother and daughter elements with the emission of 𝖰 − 𝒓𝒂𝒚𝒔, are called: |
A. Isotopes
B. Isobars
C. Isomers
D. Isodiapheres
|
| 7 | The activity of a radioactive sample is 1.6 curie and half-life is 2.5 days. Its activity after 10 days will be: |
A. 0.8 Curie
B. 0.1Curie
C. 0.4 Curie
D. 0.16 Curie
|
| 8 | Because of large mass when 𝑎 −paricle enters the atom or molecule it: |
A. Moves in zigzag path
B. Moves along straight line
C. Moves along circular path
D. None of these
|
| 9 | The phenomenon of radioactivity is associated with: |
A. Fission of nucleus
B. Disintegration of neutrons
C. Emission of spectral lines
D. Spontaneous disintegration of the nuclei of atoms
|
| 10 | The more readily fissionable isotope of uranium has an atomic mass of: |
A. 220
B. 230
C. 235
D. 240
|
Test Questions
Share your comments & questions here
jaweria
24 Sep 2019please bring some other nuclear mcqs