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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
A transistor consists of.
Question # 2
When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.
Question # 3
The ionization energy for hydrogen atom is
Question # 4
The radius of second orbit of hydrogen atom is
Question # 5
Which of the following quantities is discrete according to Bohr's hypothesis.
Question # 6
Which circuit elements has two stable states and can be used to store information.
Question # 7
The best shield against Gama rays would be of
Question # 8
If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.
Question # 9
Magnetic field does not cause deflection in
Question # 10
What is the relativistic version of the Schrodinger equation.
Question # 11
The simple form of particle accelerator is.
Question # 12
Why transistor is preferred to triode valve for use as an amplifier.
Question # 13
When a posirtron is emitted it causes.
Question # 14
Which quantity remains fixed in isobars.
Question # 15
Marie Curie and Pierre Curie discovered two new radioactive elements which are.
Question # 16
Deuterium is
Question # 17
The process of energy generation in sun and stars is.
Question # 18
The value of open loop gain for the amplifier is
Question # 19
In which of the following controlled nuclear chain reaction is used to liberate energy.
Question # 20
From which radiation it is most difficult to protect oneslelf.
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 | What is the overall gain, if three amplifiers each with a gain of 30 are cacaded. |
A. 30
B. 90
C. 270
D. 27,000
|
| 2 | Particle which can be added to the nucleus of an atom with changing its chemical properties are called. |
A. Electrons
B. Protons
C. Neutrons
D. Alpha particles
|
| 3 | Transistors with various combinations are widely used as switches in. |
A. electric generators
B. Rectificers
C. Amplifiers
D. Computers
|
| 4 | Usually in an operational amplifier the inputs used are of |
A. Equal voltage and same polarity
B. Equal voltage and opposite polarity
C. Different voltage and same polarity
D. Different voltage and opposite polarity
|
| 5 | The resistance between(+) and (-) inputs of an amplifier is. |
A. Zero
B. Low
C. High
D. Infinity
|
| 6 | x-rays cannot produce |
A. Photoelectron
B. Compton electron
C. Electron positron pair
D. All of these
|
| 7 | In annitilation of matter, positron and electron pair disappears into two |
A. Alpha particles
B. Beta particles
C. Game particles
D. X-rays
|
| 8 | The process of pair production will take place if the energy of photon is greater than. |
A. 0.21 MeV
B. 0.51 MeV
C. 1.51 MeV
D. 1.21 MeV
|
| 9 | The scientific theory concerning the coming into existence of universe. |
A. Cosmology
B. Cosmogony
C. Cosmography
D. Cosmos
|
| 10 | A unijunction transistor |
A. Has only one junction
B. Is a two terminal device
C. Is fabricated from germanium
D. Is fabricated fromuranium
|
Test Questions