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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
When a posirtron is emitted it causes.
Question # 2
In an electronic transition atom cannot emit
Question # 3
Current gain of a CE amplifier is 50, ITS hfe is about
Question # 4
An emitter follower has
Question # 5
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 6
In scattering experiment which force scatters alpha particle.
Question # 7
X-rays are absorbed maximum by
Question # 8
Which quantity remains fixed in isobars.
Question # 9
The binary equivalent of 25 is
Question # 10
When a platinum wire is heated of 1600 oC, it becomes
Question # 11
X-rays are not used in RADARs because
Question # 12
Which of the following phenomenon is explained by the tunnel efffect.
Question # 13
The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.
Question # 14
The mass of proton is equal to.
Question # 15
As the mass number varies, which of the quantities does not change w.r.t nucleus.
Question # 16
Which of the following is required for maintaining sustained chain reaction.
Question # 17
Photocells are used for
Question # 18
In potential for the material of cathode pure metals are rarely used because of their
Question # 19
The phenomenon of Compton's effect process that right has
Question # 20
The most convenient unit for energy at the atomic level is.
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
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Set 19
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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 | In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus. |
A. Radioactivity
B. Radioactivity dating
C. Nuclear fusion
D. Nuclear fission
|
| 2 | The hyperfine lines in the spectrum relates to |
A. Stark effect
B. Zeeman effect
C. Lande's spliting
D. Nuclear magnetic spin
|
| 3 | Specially designed solid state detector can be used to detect. |
A. Alpha particles
B. Beta particles
C. Gama rays
D. X- rays
|
| 4 | 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
|
| 5 | The unit of Rydberg constant R is |
A. m
B. m3
C. m-1
D. m-2
|
| 6 | Both xenon and cesium each have |
A. 24 isotopes
B. 28 isotopes
C. 32 isotopes
D. 36 isotopes
|
| 7 | Which type of radiation would be stopped completely by a thin piece of cardboard. |
A. Alpha particles
B. Beta particles
C. Gama rays
D. X -rays
|
| 8 | Which configuration is used to connect high impedance source to a low impedance lead. |
A. CE
B. CB
C. CC
D. BE
|
| 9 | The energy in an electromagnetic wave is carried in the units called. |
A. Protons
B. Electrons
C. Neutrons
D. Nucleus
|
| 10 | The emission of photons by a metal when electrons are incident is called. |
A. Photo electric effect
B. Pair production
C. X-rays production
D. Gama ray production
|
Test Questions