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Prepare Modern Physics and all other important topics with PPSC Physics online test. Modern Physics is a term that is used to describe all the discoveries and observations that made physicists rethink their understanding of Physics in the 19th and 20th centuries. In this day and age, one can't study Physics without having a firm understanding of concepts of Modern Physics. That’s why seekers for PPSC Physics jobs need to understand the subject of Modern Physics. Examiners ask many questions from this topic in the PPSC Physics test.
To make the PPSC exam preparation easier for you, team IlmKiDunya.com has created the PPSC Physics online test portal. On this page, you can attempt the PPSC online test MCQs about Modern Physics. Many students complain that they don’t find information about the PPSC Physics exam preparation. We at IlmKiDunya.com bring PPSC online test to your fingertips so you can prepare quickly for the test.
MCQ's Test For PPSC Physics Topic 7 Modern Physics
Try The MCQ's Test For PPSC Physics Topic 7 Modern Physics
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Total Questions20
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Time Allowed20
PPSC Physics Topic 7 Modern Physics
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Question # 1
Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.
Question # 2
In scattering experiment which force scatters alpha particle.
Question # 3
In the fusion process, there are
Question # 4
The Beta particles move along.
Question # 5
The Rutherford atom according to classical theory is
Question # 6
The necessary condition for nuclear fusion is.
Question # 7
In a photocell, certain metals emit electrons for
Question # 8
Among different elements of the periodic table which of the following atoms is the simplest.
Question # 9
The total energy of an electron in an orbit around the nucleus is.
Question # 10
Which of the following is the most commonly used regions of operations for a transistor.
Question # 11
The value of open loop gain for the amplifier is
Question # 12
Deuterium is
Question # 13
48 days after the receipt the amount of iodine -131 left behind is only.
Question # 14
The SI unit of radioactivity is.
Question # 15
Compton scattering experiment seemed to indicate that radiation had
Question # 16
The photons emitted in inner shell transition are.
Question # 17
In electromagnetic spectrum X-rays are next to.
Question # 18
Which of the following is required for maintaining sustained chain reaction.
Question # 19
Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.
Question # 20
The most convenient unit for energy at the atomic level is.
Prepare Complete Set Wise PPSC Physics Topic 7 Modern Physics MCQs Online With Answers
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Set 1
20 Questions
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Set 2
20 Questions
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Set 3
20 Questions
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Set 4
20 Questions
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Set 5
20 Questions
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Set 6
20 Questions
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Set 7
20 Questions
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Set 8
20 Questions
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Set 9
20 Questions
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Set 10
20 Questions
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Set 11
20 Questions
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Set 12
20 Questions
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Set 13
20 Questions
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Set 14
20 Questions
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Set 15
20 Questions
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Set 16
20 Questions
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Set 17
20 Questions
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Set 18
20 Questions
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Set 19
20 Questions
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Set 20
20 Questions
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Set 21
3 Questions
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Top Scorers Of PPSC Physics Topic 7 Modern Physics MCQ`s Test
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Q Queen Fatima 22 - Aug - 2023 00 Min 47 Sec 20/20 -
M mahnoor javaid 25 - Sep - 2022 08 Min 10 Sec 17/20 -
S Sanina Arzoo 07 - Mar - 2023 04 Min 02 Sec 15/20 -
F Fiza Farooq 05 - Dec - 2022 06 Min 10 Sec 15/20 -
S Saira Malik 25 - Oct - 2022 00 Min 02 Sec 14/20 -
A Asma Azam 21 - Jan - 2022 03 Min 57 Sec 14/20 -
M Muhammad Zeshan 20 - Sep - 2024 06 Min 17 Sec 14/20 -
S SHERAZ AHMAD 17 - Oct - 2024 08 Min 57 Sec 14/20 -
W Waqar Ali 19 - Dec - 2023 11 Min 30 Sec 14/20 -
W wa-Qul rabbi Zidni ilma 04 - Dec - 2023 04 Min 59 Sec 13/20 -
N Nida Ashfaq 04 - Oct - 2022 06 Min 48 Sec 13/20 -
M Muhammad Ahsaan 26 - Aug - 2022 10 Min 12 Sec 13/20 -
F fida hussain 27 - Apr - 2023 04 Min 29 Sec 12/20 -
S Shaf Ashrafali 08 - Aug - 2024 04 Min 55 Sec 12/20 -
S shahid habib 31 - Mar - 2024 06 Min 29 Sec 12/20
PPSC Physics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | As the mass number increases, the binding energy per nucleon in a nucleus |
A. Increases
B. Decreases
C. Remain constant
D. Varies in a way that depends upon A
|
| 2 | For an electron or position the rest mass energy is equal to. |
A. 0.21 MeV
B. 0.51 MeV
C. 1.51 MeV
D. 1.21 MeV
|
| 3 | The total number nucleons in a nucleus are called. |
A. Mass number
B. Atomic number
C. Neutron number
D. Isotopes
|
| 4 | Compton scattering experiment seemed to indicate that radiation had |
A. Wave nature
B. Particle nature
C. Wave particle nature
D. X-rays nature
|
| 5 | When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called. |
A. Photons
B. Holes
C. Quants
D. Photo electrons
|
| 6 | The ionization energy for hydrogen atom is |
A. -11.6 eV
B. -12.6 eV
C. -13.6 eV
D. -19.6 eV
|
| 7 | The half life of uranium -238 is |
A. 1620 years
B. 4.5 x 109 years
C. 3-8 days
D. 23.5 minutes
|
| 8 | Sub atomic particles which experience strong nuclear force are. |
A. Leptons
B. Hadrons
C. Mesons
D. Quarks
|
| 9 | Negative feedback |
A. Increases stability
B. Decreases stability
C. Produces oscillatory
D. Cannot occur
|
| 10 | The most readily fissionable isotope of uranium has atomic mass of |
A. 234
B. 235
C. 236
D. 238
|
Test Questions