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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 heavy atims the electrons are assumed to be arranged in.
Question # 2
48 days after the receipt the amount of iodine -131 left behind is only.
Question # 3
The SI unit of current gain is.
Question # 4
Which one among these contacts in a transistor is non rectifying.
Question # 5
Photocells are used for
Question # 6
Which is the famous standard model of the universe.
Question # 7
The unit of Rydberg constant R is
Question # 8
The reciprocal of decay constant lamda of a radioactive element is.
Question # 9
There are how many types of forces or interactions.
Question # 10
How many types of quarks were suggested i 1964 quark theory.
Question # 11
Which type of radiation would be stopped completely by a thin piece of cardboard.
Question # 12
Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.
Question # 13
Which both elements are good for nuclear fission.
Question # 14
When transistor works as an amplifier, its output is.
Question # 15
X-rays are good for imagining
Question # 16
When an electron and a positron are annihilated, then number of protons produced is.
Question # 17
In electromagnetic spectrum X-rays are next to.
Question # 18
Which particle has zero charge and zero rest mass.
Question # 19
The change in wavelength of an X-ray when scattered from an electron is called.
Question # 20
The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.
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 | 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. |
A. 20 minutes
B. 40 minutes
C. 80 minutes
D. 120 minutes
|
| 2 | Which experiment confirmed the de Broglie hypothesis. |
A.
Double slit experiment
B. Division germier experiment
C. Schrodinger's Cat experment
D. Bohr's experiment
|
| 3 | The Inner electrons in heavy atoms can be disturbed and dislodged by. |
A. X rays
B. Alpha particle
C. Beta particles
D. gama particles
|
| 4 | 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
|
| 5 | Which of the following are particle accelerators. |
A. Cyclotrons
B. Synchrotrons
C. Linear accelerators
D. All of the above
|
| 6 | The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called. |
A. Nuclear stability
B. Radioactivity
C. Carbon dating
D. Spontaneously
|
| 7 | The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely. |
A. 12 years
B. 24 years
C. 48 years
D. infinity
|
| 8 | Which BJT configurations used for signal inversion. |
A. CE
B. CC
C. CB
D. BE
|
| 9 | Which of the following is its own anti particle. |
A. Photon
B. Electron
C. Proton
D. positron
|
| 10 | The decimal equivalent of 1111 is |
A. 5
B. 10
C. 15
D. 120
|
Test Questions
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