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

The phenomenon of radioactivity is associated with:

Question # 2

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 # 3

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

Question # 4

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

Question # 5

A radioactive nucleus can emit:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Half-life of radon gas is:

Question # 10

During a negative β-decay

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

In nuclear fission reaction, when the products are 140X and 94Sr, the number of neutrons emitted is

Question # 13

Due to emission of 𝖰+ − 𝒓𝒂𝒚𝒔:

Question # 14

Which row is correct for fission and for fusion?

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

In an 𝑎 −decay:

Question # 20

Beta particles have penetration of about:

Submit

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


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
Sr.# Question Answer
1 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:
A. Protons and positrons
B. 𝛼 −partilces
C. neutrons
D. Protons and 𝛼 −partilces
2 During a negative β-decay
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
3 Beta particles have penetration of about:
A. 100 times more than that of the gamma particles
B. 100 times less than that of an alpha ray
C. 100 times more than that of an alpha ray
D. 10 times more than that of an alpha particle
4 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
5 For atomic nucleus, the binding energy per nucleon with increase in mass number:
A. Increases continuously
B. Remains same
C. Decrease continuously
D. First increases and then decreases with increase in mass number
6 The half-life of a radioactive element which has only 1//32 of its original mass left after a lapse of 60 days is:
A. 12days
B. 10days
C. 22days
D. 36days
7 The more readily fissionable isotope of uranium has an atomic mass of:
A. 220
B. 230
C. 235
D. 240
8 The example of nuclear fusion is:
A. Formation of barium and krypton from uranium
B. Formation of plutonium -235 from uranium -235
C. Formation of helium from hydrogen
D. Formation of water from hydrogen and oxygen
9 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
10 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
11 The rate of decay radioactive substance:
A. Is constant
B. Decrease exponentially with time
C. Varies inversely with time
D. Decrease linearly with time
12 A radioactive isotope 𝟐𝟑𝟖 𝑼 decays consecutively to 𝟐𝟑𝟒 𝑼 the particles emitted are:
A. One 𝛼 and one 𝛽
B. Two 𝛼 and one 𝛽
C. e 𝛼 and two 𝛽
D. Two 𝛼 and two 𝛽
13 Half-life of radon gas is:
A. 1620 years
B. 3.8 days
C. 7 days
D. 11 days
14 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
15 A count rate 240 per minute reduces to 30 counts per min in 1 hour. The half-life of source is:
A. 20min
B. 60min
C. 80min
D. 90min
16 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
17 The particles equal in mass or greater than mass of protons are called:
A. Leptons
B. Mesons
C. Baryons
D. Quarks
18 Three quarks make up a:
A. Leptons
B. Mesons
C. Baryons
D. Quark
19 The binding energy per nucleon is:
A. Greater for heavy nuclei
B. Least for heavy nuclei
C. Greatest for light nuclei
D. Greatest for medium nuclei

Test Questions

Is this page helpful?