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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
Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.
Question # 2
The SI unit of current gain is.
Question # 3
The SI unit of absorbed dose in.
Question # 4
When of the following radiations are not emitted by electron transitions in atoms.
Question # 5
The absorption of X-rays in a given material follows.
Question # 6
Which one of the following quantities is conserved in a nuclear reactor.
Question # 7
The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.
Question # 8
Which type of radiation would be stopped completely by a thin piece of cardboard.
Question # 9
Which one of the following has the largest wavelength.
Question # 10
A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.
Question # 11
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 12
Nuclear force as compared to electrostatic force is.
Question # 13
Which both elements are good for nuclear fission.
Question # 14
Which of the following configuration of BJTs gives both voltage gain and current gain.
Question # 15
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 16
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 17
A device used to determine mass of an isotope quite accurately is known as.
Question # 18
The back ground radiation in the atmosphere on the average is
Question # 19
Compton scattering experiment seemed to indicate that radiation had
Question # 20
As the mass number increases, the binding energy per nucleon in a nucleus
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 ionization energy for hydrogen atom is |
A. -11.6 eV
B. -12.6 eV
C. -13.6 eV
D. -19.6 eV
|
| 2 | Which one of the following is a neutron absorber |
A. Pb
B. Cd
C. Cu
D. Ag
|
| 3 | In scattering experiment which force scatters alpha particle. |
A. Nuclear force
B. Coulomb's force
C. Gravitational force
D. Centripetal force
|
| 4 | The half life of a radioactive substance depend on. |
A. Pressure
B. Temperature
C. Amount of substance
D. No external influences
|
| 5 | Which of the following is basic transistor configuration. |
A. CB
B. CC
C. CE
D. All of these
|
| 6 | Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits |
A. Radiowaves
B. Alpha particles
C. Beta particles
D. gama particles
|
| 7 | In de Brogile model electron orbit must form |
A. Spectrum
B. Wave packets
C. Franhoffer lines
D. Clouds
|
| 8 | Which one among these contacts in a transistor is non rectifying. |
A. Base
B. Emitter
C. Collector
D. None of these
|
| 9 | Radioactive decay series can be represents on |
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper
|
| 10 | Which of the following is the most commonly used regions of operations for a transistor. |
A. Cut off
B. Saturation
C. Active
D. All of these
|
Test Questions