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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 electrons behave as wave because.
Question # 2
Which one of the following is a convenient energy unit to express the energy of sub atomic particles.
Question # 3
The particles equal in mass or greater than protons are called.
Question # 4
Emitter follower amplifier is an example of.
Question # 5
In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.
Question # 6
The unit of Rydberg constant R is
Question # 7
In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.
Question # 8
Hydrogen bomb is based on
Question # 9
Which BJT configurations used for signal inversion.
Question # 10
X-rays are absorbed maximum by
Question # 11
The simple form of particle accelerator is.
Question # 12
The emission of photons by a metal when electrons are incident is called.
Question # 13
In CC configuration voltage gain is.
Question # 14
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 15
Which particle has zero charge and zero rest mass.
Question # 16
The unit generally used for measuring astronomical distances is.
Question # 17
Sub atomic particles which experience strong nuclear force are.
Question # 18
The output of two input OR gate is zero only when its.
Question # 19
The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
Question # 20
What is the quantitative description of the effect of radiation on the living tissue.
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 | The process by which nuclei emit a ,b and gama rays in order to attain stability is called. |
A. Radioactive disintegration
B. Radio activity
C. B decay
D. Radioactive transmulation
|
| 2 | In heavy elements of the periodic table the number of neutrons than protons are. |
A. Lesser
B. Greater
C. Equal
D. Undetermined
|
| 3 | Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is. |
A. longer that that of visible light
B. Smaller than that of visible light
C. Same as that of visible light
D. Unpredictable
|
| 4 | Which one of the following is a neutron absorber |
A. Pb
B. Cd
C. Cu
D. Ag
|
| 5 | In a fission reactor which particle causes a uranium -235 nucleus to split. |
A. Alpha particle
B. Gama ray
C. Neutron
D. Proton
|
| 6 | Which of the following radiations will burn human skin |
A. Infrared
B. Ultraviolet
C. X rays
D. Alpha particles
|
| 7 | The 'x' in X-rays means |
A. Xenon
B. Explosion
C. x for unknown
D. X makes the spot
|
| 8 | Critical mass is the minimum mass needed for |
A. Fusion
B. H-Bomb
C. Chain reaction
D. Binding energy
|
| 9 | In electromagnetic spectrum X-rays are next to. |
A. Water waves
B. Radio waves
C. ultraviolet waves
D. Infrared waves
|
| 10 | The SI unit of absorbed dose in. |
A. Bel
B. Weber
C. Rem
D. Grey
|
Test Questions