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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
The band width of an audio amplifier is.
Question # 2
Current gain of a CE amplifier is 50, ITS hfe is about
Question # 3
The process of pair production will take place if the energy of photon is greater than.
Question # 4
An oscillator is basically an amplifier with loop gain
Question # 5
The division and germier experiment relates to
Question # 6
An emitter follower has
Question # 7
The SI unit of current gain is.
Question # 8
Radioactive decay series can be represents on
Question # 9
Which of the following is its own anti particle.
Question # 10
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 11
The energy delivered to the tissue per unit mass is called the absorbed dose of.
Question # 12
Which quantity remains fixed in isobars.
Question # 13
Sub atomic paticles whihc does not experience strong nuclear force are.
Question # 14
The half life of uranium -238 is
Question # 15
The phenomenon of radioactivity is associated with
Question # 16
A gama ray of energy 1900 MeV is absorbed by
Question # 17
The converse of pair production is
Question # 18
X-rays are
Question # 19
A unijunction transistor
Question # 20
When Be is bombarded by alpha particles, then we obtain
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
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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 | The critical mass of a fission reaction is. |
A. The mass to start a nuclear fission reaction
B. The minimum mass for chain reaction
C. The size of the reactor core
D. The size of fuel plus the size of moderator
|
| 2 | Matter waves |
A. Are electromagnetic in nature
B. Travel with the speed of light
C. Can be diffracted
D. Are longitudinal waves
|
| 3 | In the experiment of production of X rays electrons are accelerated towards the anode by |
A. Thermionic emission
B. Potential difference
C. Breaking potential
D. Cut of current
|
| 4 | In Compton's effect it was considered that X-rays consist of |
A. Electrons
B. Holes
C. Neutrons
D. Protons
|
| 5 | The electrons behave as waves, because they can . |
A. Produce ions in gases
B. Diffracted by a crystal
C. Be deflected by electric fields
D. Be deflected by magnetic fields
|
| 6 | The path of electron in Rutherford atomic model according to classical theory a. |
A. Parabolic
B. Straight line
C. Spiral
D. Circular
|
| 7 | Transistor stands for |
A. Transfer of resistance
B. Transfer of current
C. Transfer of power
D. Transfer of voltage
|
| 8 | Which one among these contacts in a transistor is non rectifying. |
A. Base
B. Emitter
C. Collector
D. None of these
|
| 9 | The usefulness of X rays is largely due to their |
A. Mass
B. Density
C. Volume
D. Penetrating power
|
| 10 | Mass -energy relation means that the product of mass times the square of the speed of light must be equal to. |
A. Torque
B. Momentum
C. Energy
D. Impulse
|
Test Questions
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