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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
Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.
Question # 2
the alpha particle does not travel for enough in air.
Question # 3
Which given element has lowest work function
Question # 4
The bunding energy per nucleon for iron is.
Question # 5
Two electrons approach each other their relative velocity will be.
Question # 6
What are isotopes.
Question # 7
In Compton's effect it was considered that X-rays consist of
Question # 8
The most readily fissionable isotope of uranium has atomic mass of
Question # 9
Which particle are not emitted by a radioactive substance.
Question # 10
Which one of the following quantities is conserved in a nuclear reactor.
Question # 11
The charge on a helium nucleus is equal to the charge of.
Question # 12
Which of the following is basic transistor configuration.
Question # 13
In a photocell, certain metals emit electrons for
Question # 14
The radius of second orbit of hydrogen atom is
Question # 15
The simple form of particle accelerator is.
Question # 16
In a cloud chamber the Alpha particles leave
Question # 17
In the fusion process, there are
Question # 18
The electrons behave as waves, because they can .
Question # 19
The input resistance of a JFET is of the order of.
Question # 20
The possible values of principal quantum number are.
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 | Lines of Balmer series are emitted by hydrogen atom when the electron jumps from |
A. The first orbit to any other orbit
B. Higher orbits to second orbit
C. Higher orbits to first orbit
D. The third orbit to higher orbit
|
| 2 | In heavy elements of the periodic table the number of neutrons than protons are. |
A. Lesser
B. Greater
C. Equal
D. Undetermined
|
| 3 | Positron are produced during. |
A. Annihilation
B. ionization
C. Pair production
D. x rays production
|
| 4 | The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as. |
A. Zeeman's effect
B. Photoelectric effect
C. Compton's effect
D. Annihilation of matter
|
| 5 | Which of the following has greatest binding energy per nucleon. |
A. Normal hydrogen
B. Deuterium
C. Tritium
D. Helium-4
|
| 6 | The average energy released per fission of U is about |
A. 200 eV
B. 2 keV
C. 2 MeV
D. 200 MeV
|
| 7 | Special theory of relativity deals with the events in the frames of reference which move with constant. |
A. Time interval
B. Acceleration
C. Momentum
D. space interval
|
| 8 | The half life of a radioactive substance depend on. |
A. Pressure
B. Temperature
C. Amount of substance
D. No external influences
|
| 9 | X-rays travel with |
A. The speed of light
B. The speed of sound
C. The speed of 3,000 m s-1
D. The speed of 3,500 m s-1
|
| 10 | When a posirtron is emitted it causes. |
A. Mass number to increase by one
B. mass number to decrease by one
C. Atomic number to decrease by one
D. Atomic number to increase by one
|
Test Questions