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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 de Brogile model electron orbit must form
Question # 2
Transistors with various combinations are widely used as switches in.
Question # 3
When using the formula E = h lambda what unit should energy have.
Question # 4
When a platinum wire is heated of 1600 oC, it becomes
Question # 5
Which of the following detectors can count fast and operate at low voltage.
Question # 6
The reciprocal of decay constant lamda of a radioactive element is.
Question # 7
The unit Planck's constant is equivalent to that of.
Question # 8
Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.
Question # 9
When a helium atom loses an electron it becomes.
Question # 10
Which of the following radiations will burn human skin
Question # 11
X-ray are
Question # 12
A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.
Question # 13
Alpha particles are used for the treatment of skin of a patient due to.
Question # 14
Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
Question # 15
The chain reaction is controlled by a series of rods usually made of.
Question # 16
The Rutherford atom according to classical theory is
Question # 17
According to Max. Planck, energy is released or absorbed in discrete packets called.
Question # 18
Both xenon and cesium each have
Question # 19
The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.
Question # 20
In a nuclear reactor chani reaction is controlled by introducing.
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 most suitable material for moderator in a nuclear reactor is. |
A. B
B. Cd
C. D2O
D. Uranium
|
| 2 | The most abundant isotope of neon is. |
A. Neon -20
B. Neon -21
C. Neon -22
D. Both a and c
|
| 3 | The process of energy generation in sun and stars is. |
A. Fusion of heavy nuclei
B. fusion of light nuclei
C. Fission of light nuclei
D. Solar panels
|
| 4 | X-rays are |
A. Longitudinal wave
B. Transvers waves
C. Secondary waves
D. Fast sound waves
|
| 5 | 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
|
| 6 | The photons emitted in inner shell transition are. |
A. Alpha particle
B. Beta particle
C. Gama particle
D. Characteristic X-rays
|
| 7 | Radioactive decay series can be represents on |
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper
|
| 8 | The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is. |
A. Directly proportional to n
B. Directly proportional to n2
C. Inversely proportional to n
D. Inversely proportional to n2
|
| 9 | A perfect back body |
A. Is a perfect absorber of all radiations
B. Is a perfect reflector of all radiations
C. Is a perfect reflector of visible lights radiations
D. Is a brownish object
|
| 10 | Which given quantity remains the same in isotones. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
Test Questions