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

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

  • Total Questions20

  • Time Allowed20

Start Test Download PDF

MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test

00:00
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

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

Question # 3

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 # 4

A radioactive nucleus can emit:

Question # 5

The example of nuclear fusion is:

Question # 6

The phenomenon of radioactivity is associated with:

Question # 7

Half-life of radon gas is:

Question # 8

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 # 9

A radioactive substance has a half-life of 4 months. Three-fourths of the substance will decay in:

Question # 10

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

Question # 11

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 # 12

Three quarks make up a:

Question # 13

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

Question # 14

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

Question # 15

Which row is correct for fission and for fusion?

Question # 16

Which of the following have maximum ionization power?

Question # 17

The rate of decay radioactive substance:

Question # 18

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

Question # 19

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

Question # 20

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

Submit

Prepare Complete Set Wise MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of MDCAT Physics Chapter 16 Nuclear Physics MCQ's Test MCQ`s Test

  • U
    Unzila Ikhlaq 07 - Sep - 2024 08 Min 03 Sec 19/20
  • I
    Inbsaat Maryam 26 - Aug - 2024 08 Min 42 Sec 19/20
  • A
    ABBAS ALI 03 - Sep - 2024 03 Min 36 Sec 18/20
  • A
    Aliza shahbaz 30 - Aug - 2024 05 Min 10 Sec 17/20
  • A
    Azan Awan 17 - Sep - 2024 03 Min 43 Sec 16/20
  • 0
    008 Areeba Zulfiqar 19 - Jul - 2024 06 Min 07 Sec 16/20
  • N
    Noor ul Eman 05 - Sep - 2024 07 Min 16 Sec 16/20
  • E
    Esha Malik 25 - Jul - 2024 08 Min 01 Sec 16/20
  • H
    Hassan Shaikh 27 - Nov - 2024 03 Min 42 Sec 15/20
  • M
    Muhammad Wahab 17 - Aug - 2024 08 Min 36 Sec 15/20
  • S
    Sadia Sadia 31 - Oct - 2024 08 Min 38 Sec 14/20
  • M
    Mashal Islam 17 - Aug - 2024 09 Min 33 Sec 14/20
  • 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 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
2 The number of electrons in a nucleus X of atomic number Z and mass number A is:
A. A
B. W
C. Z
D. Y
3 When a radioactive nucleus remits a beta particle, the proton neutron ratio:
A. Decreases
B. Increases
C. Remain same
D. None of the above
4 Due to emission of 𝖰+ − 𝒓𝒂𝒚𝒔:
A. Mass of the nucleus increases
B. Mass of the nucleus decreases
C. Charge on the nucleus increases
D. Charge number decreases
5 During a negative β-decayv
A. An atomic electron is ejected
B. A neutron in the nucleus decays emitting an electron
C. An electron which already present within the nucleus is ejected
D. A part of binding energy of nuclei is converted into electron
6 Which of the following have maximum ionization power?
A. 𝛼 −rays
B. 𝛽 −rays
C. 𝛾 −rays
D. Same for all
7 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
8 When the radioactive nucleus emits a beta particle, the proton neutron ration:
A. increases by one
B. Remains same
C. Decreases by one
D. Decreases by four
9 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
10 A radioactive substance has a half-life of 4 months. Three-fourths of the substance will decay in:
A. 5months
B. 6months
C. 8months
D. 7months

Test Questions

Share your comments & questions here

Guest
  • jaweria

    jaweria

    24 Sep 2019

    please bring some other nuclear mcqs

    Like
    Reply