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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
𝑎, 𝖰 𝒂𝒏𝒅 radiations come out of radioactive substance:
Question # 2
The mother and daughter elements with the emission of 𝖰 − 𝒓𝒂𝒚𝒔, are called:
Question # 3
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 # 4
During a negative β-decayv
Question # 5
A radioactive nucleus can emit:
Question # 6
Which of the following have maximum ionization power?
Question # 7
When a radioactive nucleus remits a beta particle, the proton neutron ratio:
Question # 8
A radioactive isotope 𝟐𝟑𝟖 𝑼 decays consecutively to 𝟐𝟑𝟒 𝑼 the particles emitted are:
Question # 9
The rate of decay radioactive substance:
Question # 10
When a radioactive nucleus emits a 𝖰 −paritcles, the mass number of the atom:
Question # 11
The fusion of hydrogen into helium is more likely to take place:
Question # 12
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 # 13
Beta particles have less ionizing power than that of alpha particles because:
Question # 14
Due to emission of 𝖰+ − 𝒓𝒂𝒚𝒔:
Question # 15
If the radioactive substance reduces to 𝟏 𝟏𝟔 PHYSICS of its original mass in 40 days then its half-life is:
Question # 16
A radioactive substance has a half-life of 4 months. Three-fourths of the substance will decay in:
Question # 17
The more readily fissionable isotope of uranium has an atomic mass of:
Question # 18
The number of electrons in a nucleus X of atomic number Z and mass number A is:
Question # 19
Because of large mass when 𝑎 −paricle enters the atom or molecule it:
Question # 20
Half-life of radon gas is:
Top Scorers Of MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test MCQ`s Test
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A ABBAS ALI 03 - Sep - 2024 03 Min 36 Sec 18/20 -
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S Sharjeel Khan 03 - Sep - 2024 06 Min 57 Sec 13/20 -
A abdul Rehman 17 - Sep - 2024 08 Min 35 Sec 13/20 -
H Hoor 09 - Aug - 2024 11 Min 15 Sec 13/20
MCAT Physics Chapter 16 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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: |
A. 1.75 days
B. 3.5 days
C. 7 days
D. 14 days
|
| 2 | When a radioactive nucleus remits a beta particle, the proton neutron ratio: |
A. Decreases
B. Increases
C. Remain same
D. None of the above
|
| 3 | If the radioactive substance reduces to 𝟏 𝟏𝟔 PHYSICS of its original mass in 40 days then its half-life is: |
A. 10days
B. 20days
C. 40days
D. 4days
|
| 4 | The mother and daughter elements with the emission of 𝖰 − 𝒓𝒂𝒚𝒔, are called: |
A. Isotopes
B. Isobars
C. Isomers
D. Isodiapheres
|
| 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 : |
A. 140days
B. 45days
C. 87days
D. 90days
|
| 6 | 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
|
| 7 | 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
|
| 8 | Half-life of radon gas is: |
A. 1620 years
B. 3.8 days
C. 7 days
D. 11 days
|
| 9 | Which of the following have maximum ionization power? |
A. 𝛼 −rays
B. 𝛽 −rays
C. 𝛾 −rays
D. Same for all
|
| 10 | A radioactive nucleus can emit: |
A. Electron
B. 𝛼 particles
C. Positron
D. Any of these
|
Test Questions
Share your comments & questions here
jaweria
24 Sep 2019please bring some other nuclear mcqs