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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
In electromagnetic spectrum X-rays are next to.
Question # 2
The total energy of an electron in an orbit around the nucleus is.
Question # 3
Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.
Question # 4
Which one among these contacts in a transistor is non rectifying.
Question # 5
Which of the following radiations can penetrate 20 cm thick steel.
Question # 6
A deuteron is
Question # 7
Which of the following has the highest relative biological effectiveness or the quality factor.
Question # 8
In radiotherapy X-rays are used to.
Question # 9
In a nuclear reactor chani reaction is controlled by introducing.
Question # 10
Among different elements of the periodic table which of the following atoms is the simplest.
Question # 11
Why hydrogen atom does not emit x-rays.
Question # 12
A darling ion amplifier is characterized by
Question # 13
The path of Gama rays in Wilson cloud chamber is
Question # 14
Alpha particles are
Question # 15
In fission reaction, heavy water is used as a
Question # 16
Transistor are made from
Question # 17
Which of the following properties is not exhibited by X-rays.
Question # 18
The half life of a radioactive element depends upon.
Question # 19
Deuterium is
Question # 20
The charge on a helium nucleus is equal to the charge 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 | X-rays are |
A. Longitudinal wave
B. Transvers waves
C. Secondary waves
D. Fast sound waves
|
| 2 | The SI unit of current gain is. |
A. Ampere
B. Ampere metre
C. Ampere volt
D. It has no unit
|
| 3 | A solid state detector is basically |
A. A reverse biased p-n junction
B. A forward biased p-n junction
C. A p-n -p transistor
D. A n-p-n transistor
|
| 4 | The particles equal in mass or greater than protons are called. |
A. Mesons
B. Bosons
C. Baryons
D. Nucleons
|
| 5 | Which of the following is the most commonly used regions of operations for a transistor. |
A. Cut off
B. Saturation
C. Active
D. All of these
|
| 6 | Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to. |
A. 2.4 J
B. 4.2 J
C. 12.3 eV
D. 13.6 eV
|
| 7 | 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
|
| 8 | Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer. |
A. Simultaneously
B. Mass variation
C. time dilation
D. Length contraction
|
| 9 | Radio carbon in the atmosphere is produced by the bombardment of. |
A. Oxygen by high energy neutrons
B. Oxygen by high energy protons
C. Nitrogen by high energy protons
D. Nitrogen by high energy neutrons
|
| 10 | The wavelength of X-rays is of the ofder of. |
A. 10-14 m
B. 10-10 m
C. 10-9 m
D. 10-6 m
|
Test Questions
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