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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 constant lamda is called the.
Question # 2
Matter waves
Question # 3
When Be is bombarded by alpha particles, then we obtain
Question # 4
X-rays are not used in RADARs because
Question # 5
The total energy of an electron in an orbit around the nucleus is.
Question # 6
A logic circuit with one input and one output that inverts the input signal at the output is.
Question # 7
Radioactive decay series can be represents on
Question # 8
The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.
Question # 9
When an electron and a positron are annihilated, then number of protons produced is.
Question # 10
Atomic reactor is based on
Question # 11
LASER beam my be measure very large distance because it is.
Question # 12
The unit generally used for measuring astronomical distances is.
Question # 13
Which of the following atom pair have the same structure.
Question # 14
Transistors with various combinations are widely used as switches in.
Question # 15
The average energy released per fission of U is about
Question # 16
Which of the following radiations can penetrate 20 cm thick steel.
Question # 17
The back ground radiation in the atmosphere on the average is
Question # 18
What is the energy equivalent to amu in Me V
Question # 19
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 20
A transistor consists of.
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
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Set 10
20 Questions
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Set 11
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Set 12
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Set 13
20 Questions
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Set 14
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Set 15
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Set 16
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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 of the following is not a mode of radioactive decay |
A. Nuclear fusion
B. Alpha decay
C. Electron capture
D. Positron emission
|
| 2 | Which of the following is invariant under Galilean transformation. |
A. Velocity
B. Impulse
C. Momentum
D. Distance
|
| 3 | How much large is the proton mass than the electron mass. |
A. 1536
B. 1636
C. 1736
D. 1836
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| 4 | 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
|
| 5 | LASER beam my be measure very large distance because it is. |
A. Inidirectional
B. coherent
C. Monochromatic
D. Not absorbed
|
| 6 | X-ray are |
A. Streams of negatively charted particles.
B. Electromagnetic wave
C. Streams of positively charged particles
D. Visible light
|
| 7 | Marie Curie and Pierre Curie discovered two new radioactive elements which are. |
A. Uranium and radkum
B. Platinum and radium
C. Polonium and radium
D. Crypton and radon
|
| 8 | In an electronic transition atom cannot emit |
A. Gama rays
B. Visible rays
C. Infrared rays
D. Ultraviolet rays
|
| 9 | Which BJT configurations used for signal inversion. |
A. CE
B. CC
C. CB
D. BE
|
| 10 | In radiotherapy X-rays are used to. |
A. Treat cancer
B. Delect bone fracture
C. Cure heart diseasee
D. All of the above
|
Test Questions