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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
In a cloud chamber the Alpha particles leave
Question # 2
Cosmic rays mostly comprise of
Question # 3
Which circuit elements has two stable states and can be used to store information.
Question # 4
On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.
Question # 5
The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.
Question # 6
The most convenient unit for energy at the atomic level is.
Question # 7
In which of the following controlled nuclear chain reaction is used to liberate energy.
Question # 8
Which of the following phenomenon cannot be understood by quantum theory.
Question # 9
Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
Question # 10
A slow neutron can cause fission in
Question # 11
LED is a p-n junction that emits
Question # 12
A CE amplifier with by passed emitter resistor is an example of.
Question # 13
A deuteron is
Question # 14
How many terminals does a BJT have.
Question # 15
The input resistance of a JFET is of the order of.
Question # 16
Bohr's atomic model assumes
Question # 17
Negative feedback
Question # 18
The most readily fissionable isotope of uranium has atomic mass of
Question # 19
The process of pair production will take place if the energy of photon is greater than.
Question # 20
How much large is the proton mass than the electron mass.
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
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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
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 decay process in which an unstable nucleus splits into two fragments of comparable mass is known as. |
A. Nuclear fission
B. nuclear fusion
C. Radioactivity
D. Carbon dating
|
| 2 | The bunding energy per nucleon for iron is. |
A. zero
B. Maximum
C. Negative
D. Minimum
|
| 3 | Tracer techniques make use of. |
A. Neutron scattering
B. Electron beams
C. LASER
D. Radioactive isotopes
|
| 4 | Which circuit elements has two stable states and can be used to store information. |
A. Flip flop or latch
B. Logic gate
C. Oscillator
D. Amplifier
|
| 5 | Choose the one which acts as single inverter. |
A. Common emitter
B. common collector
C. Common base
D. Diode
|
| 6 | Which is the famous standard model of the universe. |
A. the big bang
B. Casmos
C. Astronaut
D. The small stap
|
| 7 | The emission of electrons from a metal surface when exposed to light of suitable frequency is called. |
A. Pair production
B. Compton effect
C. Photo electric effect
D. Zeeman effect
|
| 8 | X-rays are good for imagining |
A. Tendons
B. Brain
C. Bones
D. Heart
|
| 9 | Two electrons approach each other their relative velocity will be. |
A. Zero
B. c
C. c/2
D. Infinity
|
| 10 | Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to. |
A. 2.4 J
B. 4.2 J
C. 12.3 eV
D. 13.6 eV
|
Test Questions