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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
The total number nucleons in a nucleus are called.
Question # 2
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
Question # 3
Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
Question # 4
The Compton effect in X-rays proves that
Question # 5
Radioactive decay series can be represents on
Question # 6
The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.
Question # 7
In fission reaction, heavy water is used as a
Question # 8
The unit of Rydberg constant R is
Question # 9
Transistor are made from
Question # 10
The radius of first Bohr's orbit for hydrogen atom is.
Question # 11
When Be is bombarded by alpha particles, then we obtain
Question # 12
The advantage of electron tube over semiconductor is.
Question # 13
The most readily fissionable isotope of uranium has atomic mass of
Question # 14
The critical mass of a fissionable material is.
Question # 15
The gama rays have
Question # 16
In the fusion process, there are
Question # 17
In potential for the material of cathode pure metals are rarely used because of their
Question # 18
Which particle are not emitted by a radioactive substance.
Question # 19
The Inner electrons in heavy atoms can be disturbed and dislodged by.
Question # 20
Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.
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
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Set 12
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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
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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 | A slow neutron can cause fission in |
A. Uranium -238
B. Uranium-235
C. Hydrogen-1
D. Thorium -232
|
| 2 | The SI unit of absorbed dose in. |
A. Bel
B. Weber
C. Rem
D. Grey
|
| 3 | Which of the following is deflected by an electric field. |
A. Alpha particles
B. X rays
C. Gama rays
D. Neutrons
|
| 4 | The mass of proton is equal to. |
A. 1.673 x 10-27 kg
B. 1.673 x 1027 kg
C. 9.1 x 10-31 kg
D. 9.1 x 1031 kg
|
| 5 | Phenomenon of radioactivity is due to disintegration of. |
A. Proton
B. Neutron
C. electron
D. nucleus
|
| 6 | The most readily fissionable isotope of uranium has atomic mass of |
A. 234
B. 235
C. 236
D. 238
|
| 7 | An example of continuous spectrum is. |
A. Black body radiation spectrum
B. Molecular spectra
C. Atomic spectra
D. All of the above
|
| 8 | An important property of an ideal power supply is. |
A. Infinite internal resistance
B. Zero internal resistance
C. Large output resistance
D. Small output resistance
|
| 9 | Which of the following can be used as an arrester in a nuclear reactor. |
A. Graphite
B. heavy water
C. Uranium
D. Cadmium
|
| 10 | Besides U 235 what else is needed for making as atomic bomb. |
A. Electons
B. Protons
C. Neutrons
D. Photons
|
Test Questions
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