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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
Which particle is removed by a photon.
Question # 2
LASER beam my be measure very large distance because it is.
Question # 3
For the normal operation of transistor the emitter base junction is always.
Question # 4
Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.
Question # 5
In potential for the material of cathode pure metals are rarely used because of their
Question # 6
The photons emitted in inner shell transition are.
Question # 7
The half life of a radioactive substance as compared to its mean lif eis.
Question # 8
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 # 9
The emission of electrons from a metal surface when exposed to light of suitable frequency is called.
Question # 10
A device used to determine mass of an isotope quite accurately is known as.
Question # 11
In a Nuclear reactor which material is often used as modeerator.
Question # 12
Which given quantity remains the same in isotones.
Question # 13
Which both elements are good for nuclear fission.
Question # 14
Magnetic field does not cause deflection in
Question # 15
Which of the following atom pair have the same structure.
Question # 16
Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
Question # 17
At high temperature a body generally emits redactions of.
Question # 18
Positron are produced during.
Question # 19
How many types of quarks were suggested i 1964 quark theory.
Question # 20
X-rays 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
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Set 8
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Set 9
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Set 10
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Set 11
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Set 12
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Set 13
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Set 14
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Set 15
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Set 16
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Set 17
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Set 18
20 Questions
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Set 19
20 Questions
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Set 20
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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 half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely. |
A. 12 years
B. 24 years
C. 48 years
D. infinity
|
| 2 | The process of conversation of a photon into an electron and a position is called. |
A. Pair annihilations
B. Pair production
C. Photoelectric effect
D. Compton effect
|
| 3 | A transistor consists of. |
A. One p-n junction
B. Two p-n junctions
C. Three p-n junctions
D. Four p-n junction
|
| 4 | The capture of neutron by a proton results in the formation of. |
A. Deuteron and gama rays
B. Deuteron and alpha particle
C. Triton and Beta particles
D. Tritron and X rays
|
| 5 | The Beta particles move along. |
A. Straight path
B. Curved path
C. Zig Zag path
D. Circular path
|
| 6 | Which particles have spin quantum number 1/2 |
A. Mesons
B. Laptons
C. Hadrons
D. Muons
|
| 7 | The scientific theory concerning the coming into existence of universe. |
A. Cosmology
B. Cosmogony
C. Cosmography
D. Cosmos
|
| 8 | The SI unit of equivalent dose is |
A. Seivert
B. Gray
C. Radian
D. Rem
|
| 9 | One particle having zero mass and zero charge is. |
A. Positron
B. Electron
C. Neutrino
D. Neutron
|
| 10 | Radius of the Bother's orbit is r the radius of second orbit will be. |
A. 2 r
B. 3 r
C. 4 r
D. 8 r
|
Test Questions