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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
Why hydrogen atom does not emit x-rays.
Question # 2
The energy in an electromagnetic wave is carried in the units called.
Question # 3
Emitter follower amplifier is an example of.
Question # 4
The phenomenon of radioactivity is associated with
Question # 5
Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits
Question # 6
The neutral atoms of all isotopes of the same element contain the same numbers of.
Question # 7
A spectroscope sorts out
Question # 8
The maximum K.E. with which photoelectrons are emitted depends very strongly on the.
Question # 9
The electrons behave as waves, because they can .
Question # 10
The most abundant isotope of neon is.
Question # 11
In scattering experiment which force scatters alpha particle.
Question # 12
Which of the following particles leave no trail in a cloud chamber.
Question # 13
Work function is generally expressed in.
Question # 14
Which particle are not emitted by a radioactive substance.
Question # 15
The gama rays have
Question # 16
In electromagnetic spectrum X-rays are next to.
Question # 17
An increase in frequency above threshold frequency results in.
Question # 18
Radius of the Bother's orbit is r the radius of second orbit will be.
Question # 19
Which of the following detectors can count fast and operate at low voltage.
Question # 20
LASER is a device which can produce.
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
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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 | What is the quantitative description of the effect of radiation on the living tissue. |
A. Radiation dosimetry
B. Radioactive dating
C. Telemetry
D. Dosage
|
| 2 | Which uranium isotope having the atomic weights as given below is easily fissionable. |
A. 234
B. 235
C. 236
D. 238
|
| 3 | 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
|
| 4 | The ionization energy for hydrogen atom is |
A. -11.6 eV
B. -12.6 eV
C. -13.6 eV
D. -19.6 eV
|
| 5 | The process of energy generation in sun and stars is. |
A. Fusion of heavy nuclei
B. fusion of light nuclei
C. Fission of light nuclei
D. Solar panels
|
| 6 | The decimal equivalent of 1111 is |
A. 5
B. 10
C. 15
D. 120
|
| 7 | In the fusion process, there are |
A. Hydrogen isotopes
B. Helium Isotopes
C. Carbon isotopes
D. Oxygen isotopes
|
| 8 | Alpha particles emitted from a radioactive material are. |
A. He nucliei
B. H -nucliei
C. Li nucliei
D. B nucliei
|
| 9 | X-rays are not used in RADARs because |
A. They are not reflected by the target
B. they are not completely absorbed by air
C. They damage the target
D. They are reflected by the target
|
| 10 | The most convenient unit for energy at the atomic level is. |
A. Joule
B. Watt second
C. Newton metre
D. Electron volt
|
Test Questions