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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
Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
Question # 2
The most convenient unit for energy at the atomic level is.
Question # 3
The process by which nuclei emit a ,b and gama rays in order to attain stability is called.
Question # 4
In electromagnetic spectrum X-rays are next to.
Question # 5
In radiotherapy X-rays are used to.
Question # 6
The constant lamda is called the.
Question # 7
Which of the following quantities is discrete according to Bohr's hypothesis.
Question # 8
A solid state detector is basically
Question # 9
Which of the following is not a mode of radioactive decay
Question # 10
The ionization potential of hydrogen atom is.
Question # 11
The molecular weight of D2O is
Question # 12
The Beta particles move along.
Question # 13
An Alpha particle is the same as
Question # 14
Which experiment is a demonstration that matter and energy can display properties of both waves and particles.
Question # 15
The input exultation for a JFET is
Question # 16
Which particle is removed by a photon.
Question # 17
The process of energy generation in sun and stars is.
Question # 18
According to Max. Planck, energy is released or absorbed in discrete packets called.
Question # 19
Matter waves
Question # 20
In annitilation of matter, positron and electron pair disappears into two
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 | In a nuclear reactor chani reaction is controlled by introducing. |
A. Iron rods
B. Cadmium rods
C. Graphite rods
D. Platinum rods
|
| 2 | The value of principal quantum number for an ionized atom is. |
A. 13.6 eV
B. 27.2 eV
C. 54.4 eV
D. 100 eV
|
| 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 | Radioactive substances do not emit |
A. Alpha particles
B. Beta particles
C. Gama rays
D. Neutrons
|
| 5 | Why is a capacitor resistor combination used in oscillators in grid circuit. |
A. To generate oscillation
B. To bias the grid automatically
C. To amplify oscillations
D. To sustain the oscillations.
|
| 6 | The reciprocal of decay constant lamda of a radioactive substances is equal to. |
A. total life
B. Half life
C. Mean life
D. Curie
|
| 7 | The number of electrons in U nucleus are. |
A. 92
B. 235
C. zero
D. 143
|
| 8 | Which one of the following has the largest wavelength. |
A. x rays
B. Infrared rays
C. Visible light
D. Radio waves
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| 9 | 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
|
| 10 | In electromagnetic spectrum X-rays are next to. |
A. Water waves
B. Radio waves
C. ultraviolet waves
D. Infrared waves
|
Test Questions