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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 half life of a radioactive element depends upon.
Question # 2
Atomic reactor is based on
Question # 3
The electrons behave as waves, because they can .
Question # 4
The unit generally used for measuring astronomical distances is.
Question # 5
Which of the following is required for maintaining sustained chain reaction.
Question # 6
A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.
Question # 7
A CE amplifier with by passed emitter resistor is an example of.
Question # 8
The tunnel effect makes possible
Question # 9
Transistors with various combinations are widely used as switches in.
Question # 10
Usually in an operational amplifier the inputs used are of
Question # 11
When transistor works as an amplifier, its output is.
Question # 12
The phenomenon of radioactivity is associated with
Question # 13
When a platinum wire is heated of 1600 oC, it becomes
Question # 14
Which of the following atom pair have the same structure.
Question # 15
When using the formula E = h lambda what unit should energy have.
Question # 16
The unit of Rydberg constant R is
Question # 17
X-rays are not used in RADARs because
Question # 18
The ionization potential of hydrogen atom is.
Question # 19
The SI unit of equivalent dose is
Question # 20
The best shield against Gama rays would be of
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 particle has zero charge and zero rest mass. |
A. Neutron
B. Proton
C. Electron
D. Photon
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| 2 | An Alpha particle is the same as |
A. A helium nucleus
B. A high speed electron
C. A hydrogen nucleus
D. Electromagnetic radiation of short wavelength
|
| 3 | 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
|
| 4 | Which of the following is not an electromagnetic wave. |
A. game rays
B. Ultraviolet rays
C. Ultrasonic waves
D. Microwaves
|
| 5 | At high temperature a body generally emits redactions of. |
A. Small wavelengths
B. Long wavelengths
C. Moderates wavelengths
D. Zero wavelengths
|
| 6 | Radioactive substances do not emit |
A. Alpha particles
B. Beta particles
C. Gama rays
D. Neutrons
|
| 7 | The critical mass of a fissionable material is. |
A. 1 kg
B. 10 kg
C. 100 kg
D. 1.,000 kg
|
| 8 | 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
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| 9 | 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
|
| 10 | A device used to determine mass of an isotope quite accurately is known as. |
A. Spectrometer
B. Mass spectrometer
C. Mass detector
D. Electronic balance
|
Test Questions
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