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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 photons emitted in inner shell transition are.
Question # 2
Which of the following are particle accelerators.
Question # 3
Radius of the Bother's orbit is r the radius of second orbit will be.
Question # 4
The constant lamda is called the.
Question # 5
Current gain of a CE amplifier is 50, ITS hfe is about
Question # 6
The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.
Question # 7
Which of the following wavelength lies in X-rays region.
Question # 8
Beta decay may occur by
Question # 9
Compton scattering experiment seemed to indicate that radiation had
Question # 10
A unijunction transistor
Question # 11
The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.
Question # 12
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 13
Which particle is removed by a photon.
Question # 14
An operational amplifier can be used as a
Question # 15
Which one the following is not a component of a Bipolar junction Transistor
Question # 16
The critical mass of fissionable uranium -235 can be reduced by
Question # 17
X-rays spectrum may be
Question # 18
A slow neutron can cause fission in
Question # 19
The average energy released per fission of U is about
Question # 20
Particle which can be added to the nucleus of an atom with changing its chemical properties are called.
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
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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 decimal equivalent of 1111 is |
A. 5
B. 10
C. 15
D. 120
|
| 2 | 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
|
| 3 | The electron behave an waves because |
A. They can be diffracted by a crystal
B. They can produce ions in gases
C. They can be deflected by magnetic field
D. They can be deflected by electric field
|
| 4 | Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current. |
A. 1 mA
B. 100 mA
C. 98 mA
D. 110 mA
|
| 5 | The radius of second orbit of hydrogen atom is |
A. 0.071 A
B. 0.142 A
C. 4.752 A
D. 9.5298 A
|
| 6 | The simple form of particle accelerator is. |
A. Cathode ray tube
B. Oscillator
C. Amplifier
D. Phase locked loop
|
| 7 | The part of theory of relativity which deals with accelerated bodies is called. |
A. special theory of relativity
B. General theory of relativity
C. Lorentz's theory of relativity
D. Galilean theory of relativity
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| 8 | The energy equivalent of 1 kg of matter a |
A. 10-15 J
B. 1 J
C. 1012J
D. 1017 J
|
| 9 | In annitilation of matter, positron and electron pair disappears into two |
A. Alpha particles
B. Beta particles
C. Game particles
D. X-rays
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| 10 | Which of the following is deflected by an electric field. |
A. Alpha particles
B. X rays
C. Gama rays
D. Neutrons
|
Test Questions