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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 emission of Beta particle from protonium -218 results in the formation of.
Question # 2
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 # 3
In radiotherapy X-rays are used to.
Question # 4
When objects placed in a room are exposed to X- rays they appear
Question # 5
An increase in frequency above threshold frequency results in.
Question # 6
Half life and mean lifetime of a radioactive element are.
Question # 7
Which temperature is required for the fusion of two nuclides.
Question # 8
The molecular weight of D2O is
Question # 9
If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.
Question # 10
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 11
The ionization potential of hydrogen atom is.
Question # 12
The electron behave an waves because
Question # 13
A gama ray of energy 1900 MeV is absorbed by
Question # 14
One radian is equal to.
Question # 15
Which both elements are good for nuclear fission.
Question # 16
What is the energy equivalent to amu in Me V
Question # 17
Radioactive decay series can be represents on
Question # 18
The half life of a radioactive substance as compared to its mean lif eis.
Question # 19
The Rutherford atom according to classical theory is
Question # 20
In de Brogile model electron orbit must form
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 one among these contacts in a transistor is non rectifying. |
A. Base
B. Emitter
C. Collector
D. None of these
|
| 2 | Beta decay may occur by |
A. Beta minus
B. Beta Plus
C. Electron capture
D. All of these
|
| 3 | The energy that must be added to separate the nucleus is called. |
A. Critical energy
B. Binding energy
C. Gravitational energy
D. Electrostatic energy
|
| 4 | Which of the following is not a mode of radioactive decay. |
A. Positron emission
B. Electron capture
C. Fusion reaction
D. A decay
|
| 5 | The Compton effect in X-rays proves that |
A. Electrons have wave property
B. x-rays have wave properly
C. X-rays have particle characteristics
D. Electrons cannot exist
|
| 6 | The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years. |
A. 0.5 g
B. 1.2 g
C. 3.0 g
D. 6.0 g
|
| 7 | Two electrons approach each other their relative velocity will be. |
A. Zero
B. c
C. c/2
D. Infinity
|
| 8 | Current gain of a CE amplifier is 50, ITS hfe is about |
A. 25
B. 50
C. 75
D. 100
|
| 9 | X-rays spectrum may be |
A. Continuous spectrum
B. Discontinuous spectrum
C. Line spectrum
D. Continuous and line spectrum
|
| 10 | Nuclear force as compared to electrostatic force is. |
A. Weaker and long range
B. Weaker and short range
C. Stronger and longer range
D. Stronger and short range
|
Test Questions