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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 process of pair production will take place if the energy of photon is greater than.
Question # 2
Transistor stands for
Question # 3
The two elements with same number of electrons but different mass number are called.
Question # 4
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 5
Choose the one which acts as single inverter.
Question # 6
A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.
Question # 7
The binding energy per nucleon for uranium is about.
Question # 8
Beta decay may occur by
Question # 9
The phenomenon of radioactivity is associated with
Question # 10
An oscillator is basically an amplifier with loop gain
Question # 11
When of the following radiations are not emitted by electron transitions in atoms.
Question # 12
Photocells are used for
Question # 13
Sub atomic particles which experience strong nuclear force are.
Question # 14
A slow neutron can cause fission in
Question # 15
Binding energy per nucleon is.
Question # 16
The electrons behave as waves, because they can .
Question # 17
Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
Question # 18
Nuclear force as compared to electrostatic force is.
Question # 19
The path of Gama rays in Wilson cloud chamber is
Question # 20
Matter waves
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 usefulness of X rays is largely due to their |
A. Mass
B. Density
C. Volume
D. Penetrating power
|
| 2 | 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
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| 3 | The SI unit of decay constant is. |
A. m
B. m-1
C. s-1
D. N m-1
|
| 4 | What is the overall gain, if three amplifiers each with a gain of 30 are cacaded. |
A. 30
B. 90
C. 270
D. 27,000
|
| 5 | The half life of a radioactive substance depend on. |
A. Pressure
B. Temperature
C. Amount of substance
D. No external influences
|
| 6 | The half life of radium -226 is |
A. 1620 years
B. 45 x 109 years
C. 3.8 days
D. 23.5 minutes
|
| 7 | The absorption of X-rays in a given material follows. |
A. A parabola path
B. Is straight line
C. An exponential curve
D. A circle
|
| 8 | Which BJT configurations used for signal inversion. |
A. CE
B. CC
C. CB
D. BE
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| 9 | When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called. |
A. Photons
B. Holes
C. Quants
D. Photo electrons
|
| 10 | Which of the following is formed by decay of a free neurton. |
A. A number of electrons
B. Two protons
C. A proton and an electron
D. An alpha particle
|
Test Questions
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