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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
Marie Curie and Pierre Curie discovered two new radioactive elements which are.
Question # 2
The mass of an helium nucleus is equal to.
Question # 3
The maximum K.E. with which photoelectrons are emitted depends very strongly on the.
Question # 4
Besides U 235 what else is needed for making as atomic bomb.
Question # 5
Which of the following describes that the time interval between two events may be different in different of references
Question # 6
In a fission reactor which particle causes a uranium -235 nucleus to split.
Question # 7
The converse of pair production is
Question # 8
Which of the following radiations can penetrate 20 cm thick steel.
Question # 9
In Compton's effect it was considered that X-rays consist of
Question # 10
The result of the alpha particle scattering experiment gave evidence for which of the following.
Question # 11
Which of the following can be used as an arrester in a nuclear reactor.
Question # 12
The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.
Question # 13
Which of the following propagates at the same speed as velocity of light.
Question # 14
The electron behave an waves because
Question # 15
Lines of Balmer series are emitted by hydrogen atom when the electron jumps from
Question # 16
Transistors with various combinations are widely used as switches in.
Question # 17
Nuclear force as compared to electrostatic force is.
Question # 18
Which of the following wavelength lies in X-rays region.
Question # 19
The radius of first Bohr's orbit for hydrogen atom is.
Question # 20
Which of the following are electromagnetic 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 | Binding energy per nucleon is. |
A. Greatest for heavy nuclei
B. Least for heavy nuclei
C. Greatest for light nuclei
D. Greatest for medium weight nuclei
|
| 2 | Push pull amplifiers employ |
A. One transistor
B. Two transistors
C. Three transistors
D. Four transistors
|
| 3 | Which of the following properties is not exhibited by X-rays. |
A. Interference
B. Diffraction
C. Polarization
D. Deflection of electric field
|
| 4 | The unit of Rydberg constant R is |
A. m
B. m3
C. m-1
D. m-2
|
| 5 | When an object moves with a very high speed the length in the direction of motion. |
A. Contracts
B. Expands
C. Remains the same
D. Becomes infinity
|
| 6 | The potential due to which an electron is lifted from gerund state to excited state is. |
A. Potential gradient
B. excitation potential
C. Ionization potential
D. Potential difference
|
| 7 | Which of the following radiations can penetrate 20 cm thick steel. |
A. Alpha particles
B. Beta particles
C. Gama particles
D. Neutrons
|
| 8 | One rem is equal to. |
A.
0.1 Sv
B. 0.01 Sv
C. 0.001 Sv
D. 0.0001 SV
|
| 9 | The ionization energy for hydrogen atom is |
A. -11.6 eV
B. -12.6 eV
C. -13.6 eV
D. -19.6 eV
|
| 10 | the gain of an amplifier is independent of |
A. The two externally connected resistances
B. What is happening inside the amplifier
C. Internal structure of the amplifier
D. All of the above
|
Test Questions