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

During a negative β-decayv

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

Question # 4

The most penetrating radiations out of the following is that of

Question # 5

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 # 6

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

Question # 7

A radioactive nucleus can emit:

Question # 8

Which row is correct for fission and for fusion?

Question # 9

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

Question # 10

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 # 11

The activity of a radioactive sample is 1.6 curie and half-life is 2.5 days. Its activity after 10 days will be:

Question # 12

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

Question # 13

For atomic nucleus, the binding energy per nucleon with increase in mass number:

Question # 14

Half-life of radon gas is:

Question # 15

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

Question # 16

The example of nuclear fusion is:

Question # 17

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

Question # 18

𝑎, 𝖰 𝒂𝒏𝒅 radiations come out of radioactive substance:

Question # 19

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

Question # 20

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

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 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
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:
A. 1.75 days
B. 3.5 days
C. 7 days
D. 14 days
3 The rate of decay radioactive substance:
A. Is constant
B. Decrease exponentially with time
C. Varies inversely with time
D. Decrease linearly with time
4 Which of the following have maximum ionization power?
A. 𝛼 −rays
B. 𝛽 −rays
C. 𝛾 −rays
D. Same for all
5 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
6 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
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 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
9 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
10 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

Test Questions

Is this page helpful?