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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
One gray is equal to.
Question # 2
Alpha particles are
Question # 3
The radius of second orbit of hydrogen atom is
Question # 4
The electrons behave as wave because.
Question # 5
The phenomenon of radioactivity is associated with
Question # 6
When an electron and a positron are annihilated, then number of protons produced is.
Question # 7
Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.
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 gama rays have
Question # 10
The molecular weight of D2O is
Question # 11
If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.
Question # 12
The path of electron in Rutherford atomic model according to classical theory a.
Question # 13
In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.
Question # 14
Which one of the following is a neutron absorber
Question # 15
A gama ray of energy 1900 MeV is absorbed by
Question # 16
The half life of radium -226 is
Question # 17
The possible values of principal quantum number are.
Question # 18
A slow neutron can cause fission in
Question # 19
Neutrino9 is a particle with
Question # 20
Which BJT configurations used for signal inversion.
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 | When an object moves with a very high speed the length in the direction of motion. |
A. Contracts
B. Expands
C. Remains the same
D. Becomes infinity
|
| 2 | The half life of a radioactive substance as compared to its mean lif eis. |
A. 30%
B. 50%
C. 70%
D. 90%
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| 3 | At high temperature a body generally emits redactions of. |
A. Small wavelengths
B. Long wavelengths
C. Moderates wavelengths
D. Zero wavelengths
|
| 4 | The SI unit of radioactivity is. |
A. Becquerl
B. Curie
C. Joule
D. rutherford
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| 5 | Current gain of a CE amplifier is 50, ITS hfe is about |
A. 25
B. 50
C. 75
D. 100
|
| 6 | Which temperature is required for the fusion of two nuclides. |
A. 106 K
B. 107 K
C. 10 8 K
D. 10 9 K
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| 7 | Which of the following is not an electromagnetic wave. |
A. game rays
B. Ultraviolet rays
C. Ultrasonic waves
D. Microwaves
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| 8 | the wavelength of continuous X-rays is inversely proportional to. |
A. Intensity of incident electron beam
B. Temperature of the target
C. Intensity of X-rays
D. The energy of electrons striking the target
|
| 9 | Which of the following phenomenon is explained by the tunnel efffect. |
A. Alpha decay
B. Beta decay
C. Gama decay
D. Radioactivity
|
| 10 | Besides U 235 what else is needed for making as atomic bomb. |
A. Electons
B. Protons
C. Neutrons
D. Photons
|
Test Questions
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