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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
How many terminals does a BJT have.
Question # 2
The total number nucleons in a nucleus are called.
Question # 3
During transition, atom cannot emit
Question # 4
Radius of the Bother's orbit is r the radius of second orbit will be.
Question # 5
LASER is a device which can produce.
Question # 6
The half life of radium -226 is
Question # 7
A darling ion amplifier is characterized by
Question # 8
Which of the following configuration of BJTs gives both voltage gain and current gain.
Question # 9
Which of the following particles leave no trail in a cloud chamber.
Question # 10
The gama rays have
Question # 11
When a posirtron is emitted it causes.
Question # 12
Compton scattering experiment seemed to indicate that radiation had
Question # 13
Which of the following is not a mode of radioactive decay
Question # 14
The possible values of principal quantum number are.
Question # 15
From which radiation it is most difficult to protect oneslelf.
Question # 16
Which particle has zero charge and zero rest mass.
Question # 17
The emission of electrons from a metal surface when exposed to light of suitable frequency is called.
Question # 18
Which experiment is a demonstration that matter and energy can display properties of both waves and particles.
Question # 19
The term used for the emission of electrons when light strikes a surface.
Question # 20
In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.
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 | Which one of the following spectra series is in the ultraviolet region. |
A. Lyman series
B. Paschen series
C. Brackett series
D. Plund series
|
| 2 | Which of the following phenomenon is explained by the tunnel efffect. |
A. Alpha decay
B. Beta decay
C. Gama decay
D. Radioactivity
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| 3 | As the mass number varies, which of the quantities does not change w.r.t nucleus. |
A. Mass
B. Volume
C. Binding energy
D. Density
|
| 4 | X-rays are not used in RADARs because |
A. They are not reflected by the target
B. they are not completely absorbed by air
C. They damage the target
D. They are reflected by the target
|
| 5 | Which experiment confirmed the de Broglie hypothesis. |
A.
Double slit experiment
B. Division germier experiment
C. Schrodinger's Cat experment
D. Bohr's experiment
|
| 6 | Half life and mean lifetime of a radioactive element are. |
A. Equal to each other
B. Inversely proportional to each other
C. Directly proportional to each other
D. Not related to each other
|
| 7 | Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current. |
A. 1 mA
B. 100 mA
C. 98 mA
D. 110 mA
|
| 8 | Why FET amplifiers are called voltage controlled devices. |
A. Input is a current signal
B. Output is a current signal
C. Input is a voltage signal
D. Output is a voltage signal
|
| 9 | Alpha particles are used for the treatment of skin of a patient due to. |
A. Highly ionizing power
B. Low penetration power
C. Positively charged particles
D. Helium nucler
|
| 10 | The rest mass of a particle is independent of the |
A. Wavelength of the particle
B. Mass of the particle
C. Speed of the particle
D. Energy of the particle
|
Test Questions
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