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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
Lines of Balmer series are emitted by hydrogen atom when the electron jumps from
Question # 2
Tracer techniques make use of.
Question # 3
The angle of scattering for which the Compton shift is maximum is.
Question # 4
The total number nucleons in a nucleus are called.
Question # 5
Cosmic rays mostly comprise of
Question # 6
Which experiment confirmed the de Broglie hypothesis.
Question # 7
Which of the following radiations can penetrate 20 cm thick steel.
Question # 8
Current gain of a CE amplifier is 50, ITS hfe is about
Question # 9
Choose the one which acts as single inverter.
Question # 10
The Beta particles move along.
Question # 11
The emission of photons by a metal when electrons are incident is called.
Question # 12
Which quantity remains fixed in isobars.
Question # 13
The ionization potential of hydrogen atom is.
Question # 14
The path of electron in Rutherford atomic model according to classical theory a.
Question # 15
The half life of uranium -238 is
Question # 16
When a posirtron is emitted it causes.
Question # 17
When transistor works as an amplifier, its output is.
Question # 18
Special theory of relativity deals with the events in the frames of reference which move with constant.
Question # 19
An emitter follower has
Question # 20
In a Nuclear reactor which material is often used as modeerator.
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
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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
20 Questions
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Set 16
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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 | A spectroscope sorts out |
A. Atoms
B. Molecules
C. Elements
D. Isotopes
|
| 2 | Which type of amplifier causes minimum drain of power supply. |
A. Class -A
B. Class -B
C. Class-C
D. Class -AB
|
| 3 | The half life of radium -226 is |
A. 1620 years
B. 45 x 109 years
C. 3.8 days
D. 23.5 minutes
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| 4 | The transition of inner shell electrons in heavy atoms gives rise to the emission of. |
A. Low energy b-particle
B. High energy b-particle
C. High energy X- rays
D. High energy gama rays
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| 5 | A gama ray of energy 1900 MeV is absorbed by |
A. Proton antiproton pair
B. Electron positron pair
C. Producing heat in the substance
D. The orbit
|
| 6 | The best shield against Gama rays would be of |
A. Heavy water
B. Aluminium
C. Iron
D. Lead
|
| 7 | Sub atomic paticles whihc does not experience strong nuclear force are. |
A. hadrons
B. Photons
C. Leptons
D. Nucleons
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| 8 | Current gain of a CE amplifier is 50, ITS hfe is about |
A. 25
B. 50
C. 75
D. 100
|
| 9 | Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is. |
A. longer that that of visible light
B. Smaller than that of visible light
C. Same as that of visible light
D. Unpredictable
|
| 10 | What is the energy equivalent to amu in Me V |
A. 0.931 MeV
B. 9.31 MeV
C. 93.1 MeV
D. 931 MeV
|
Test Questions
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