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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 emission of photons by a metal when electrons are incident is called.
Question # 2
The continuous x rays spectrum is obtained due to
Question # 3
In the experiment of production of X rays electrons are accelerated towards the anode by
Question # 4
Which of the following atom pair have the same structure.
Question # 5
The change in wavelength of an X-ray when scattered from an electron is called.
Question # 6
Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.
Question # 7
The electrons behave as waves, because they can .
Question # 8
The half life of a radioactive element depends upon.
Question # 9
The result of the alpha particle scattering experiment gave evidence for which of the following.
Question # 10
Neutrino9 is a particle with
Question # 11
The reciprocal of decay constant lamda of a radioactive substances is equal to.
Question # 12
Which of the following radiations can penetrate 20 cm thick steel.
Question # 13
Which of the following is deflected by an electric field.
Question # 14
During transition, atom cannot emit
Question # 15
A slow neutron can cause fission in
Question # 16
The transition of inner shell electrons in heavy atoms gives rise to the emission of.
Question # 17
Which one of the following gates in a a universal gate.
Question # 18
The particles equal in mass or greater than protons are called.
Question # 19
Which one of the following has maximum frequency.
Question # 20
The most readily fissionable isotope of uranium has atomic mass 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
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 | The average energy released per fission of U is about |
A. 200 eV
B. 2 keV
C. 2 MeV
D. 200 MeV
|
| 2 | Which one of the following is a convenient energy unit to express the energy of sub atomic particles. |
A. Joule
B. electron volt
C. Watt
D. Curie
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| 3 | The binding energy to pull the deuterium H apart into a proton and a neutron is equal to. |
A. 1.22 MeV
B. 2.22 MeV
C. 3.22 Mev
D. 4.22 MeV
|
| 4 | Which quantity remains fixed in isobars. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
| 5 | The SI unit of radioactivity is. |
A. Becquerl
B. Curie
C. Joule
D. rutherford
|
| 6 | In a fission reactor which particle causes a uranium -235 nucleus to split. |
A. Alpha particle
B. Gama ray
C. Neutron
D. Proton
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| 7 | The Rutherford atom according to classical theory is |
A. Stable
B. Unstable
C. Partially stable
D. Quantized
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| 8 | There are how many types of forces or interactions. |
A. Two
B. Three
C. Four
D. Five
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| 9 | Which of the following is not a mode of radioactive decay. |
A. Positron emission
B. Electron capture
C. Fusion reaction
D. A decay
|
| 10 | When Photon incident on a metal produce the emission of electrons the process is called. |
A. Photo electric effect
B. Pair production
C. x-rays production
D. Gama ray production
|
Test Questions