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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 critical mass of a fissionable material is.
Question # 2
The capture of neutron by a proton results in the formation of.
Question # 3
The unit of Rydberg constant R is
Question # 4
In a nuclear reactor chani reaction is controlled by introducing.
Question # 5
The mass of an helium nucleus is equal to.
Question # 6
Which of the following can be used as an arrester in a nuclear reactor.
Question # 7
Transistors with various combinations are widely used as switches in.
Question # 8
The reciprocal of decay constant lamda of a radioactive element is.
Question # 9
The SI unit of equivalent dose is
Question # 10
One gray is equal to.
Question # 11
Mosley's law establishes the X-rays fluorescence of target element with is.
Question # 12
When objects placed in a room are exposed to X- rays they appear
Question # 13
In scattering experiment which force scatters alpha particle.
Question # 14
Atomic reactor is based on
Question # 15
An AND gate is.
Question # 16
Choose the one which acts as single inverter.
Question # 17
The Compton effect in X-rays proves that
Question # 18
A slow neutron can cause fission in
Question # 19
Which particle is removed by a photon.
Question # 20
A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.
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
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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
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 | X-rays spectrum may be |
A. Continuous spectrum
B. Discontinuous spectrum
C. Line spectrum
D. Continuous and line spectrum
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| 2 | Which of the following are particle accelerators. |
A. Cyclotrons
B. Synchrotrons
C. Linear accelerators
D. All of the above
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| 3 | Particle which can be added to the nucleus of an atom with changing its chemical properties are called. |
A. Electrons
B. Protons
C. Neutrons
D. Alpha particles
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| 4 | An operational amplifiers will act as an inverting amplifier when the input signal is connected to. |
A. Inverting terminal
B. Non inverting terminal
C. Earthened wire
D. Both a and b
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| 5 | The helium nucleus does not contain |
A. Two electrons
B. Two neutrons
C. Two protons
D. Six nucleons
|
| 6 | An AND gate is. |
A. Equivalent to a series switching circuit.
B. Equivalent to a parallel switching circuit
C. Equivalent ot universal gate
D. A reciprocal of NAND gate
|
| 7 | Which of the following is not an electromagnetic wave. |
A. game rays
B. Ultraviolet rays
C. Ultrasonic waves
D. Microwaves
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| 8 | Critical mass is the minimum mass needed for |
A. Fusion
B. H-Bomb
C. Chain reaction
D. Binding energy
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| 9 | Which of the following wavelength lies in X-rays region. |
A. 1 A
B. 100 A
C. 1,000 A
D. 10,000 A
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| 10 | A perfect back body |
A. Is a perfect absorber of all radiations
B. Is a perfect reflector of all radiations
C. Is a perfect reflector of visible lights radiations
D. Is a brownish object
|
Test Questions
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