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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 unit of Rydberg constant R is
Question # 2
The phenomenon of radioactivity is associated with
Question # 3
As the mass number varies, which of the quantities does not change w.r.t nucleus.
Question # 4
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 5
An operational amplifier have how many input terminals.
Question # 6
A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.
Question # 7
In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.
Question # 8
The hyperfine lines in the spectrum relates to
Question # 9
The binary equivalent of 25 is
Question # 10
Which particle is removed by a photon.
Question # 11
An AND gate is.
Question # 12
At what speed the mass of a body will be doubled.
Question # 13
The two elements with same number of electrons but different mass number are called.
Question # 14
The half life of uranium -238 is
Question # 15
The advantage of electron tube over semiconductor is.
Question # 16
The mass of an alpha particle is.
Question # 17
There are how many modes of operations of a BJT.
Question # 18
Transistor stands for
Question # 19
The chain reaction is controlled by a series of rods usually made of.
Question # 20
Which of the following is not an electromagnetic wave.
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 | The SI unit of absorbed dose in. |
A. Bel
B. Weber
C. Rem
D. Grey
|
| 2 | The average energy released per fission of U is about |
A. 200 eV
B. 2 keV
C. 2 MeV
D. 200 MeV
|
| 3 | Which one of the following gates in a a universal gate. |
A. OR
B. AND
C. NOT
D. NAND
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| 4 | The mass defect of Bohr's atomic model is |
A. Exclusion of nuclear motion
B. missing of classical and quantum theories
C. Failed to explain the fine structure of spectral line
D. All of the above
|
| 5 | Beta decay may occur by |
A. Beta minus
B. Beta Plus
C. Electron capture
D. All of these
|
| 6 | The ionization potential of hydrogen atom is. |
A. 10.2 V
B. 13.6 V
C. 12.97 V
D. 27.2 V
|
| 7 | 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
|
| 8 | A logic circuit whose output signal is '1' when inputs are different is. |
A. NAND gate
B. NOR gate
C. Exclusive OR gate
D. Exclusive NOR gate
|
| 9 | A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials. |
A. 5 days
B. 10 days
C. 40 days
D. 20 days
|
| 10 | The total energy of an electron in an orbit around the nucleus is. |
A. Zero
B. Unity
C. Infinity
D. Negative
|
Test Questions
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