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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
Which of the following wavelength lies in X-rays region.
Question # 2
In which of the following studies x-rays are not helpful.
Question # 3
The most readily fissionable isotope of uranium has atomic mass of
Question # 4
Two electrons approach each other their relative velocity will be.
Question # 5
The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.
Question # 6
The input resistance of a JFET is of the order of.
Question # 7
The value of open loop gain for the amplifier is
Question # 8
The total energy of an electron in an orbit around the nucleus is.
Question # 9
The radius of first Bohr's orbit for hydrogen atom is.
Question # 10
How much large is the proton mass than the electron mass.
Question # 11
When of the following radiations are not emitted by electron transitions in atoms.
Question # 12
An increase in frequency above threshold frequency results in.
Question # 13
Bohr's atomic model assumes
Question # 14
Transistors with various combinations are widely used as switches in.
Question # 15
An oscillator is basically an amplifier with loop gain
Question # 16
The converse of pair production is
Question # 17
The ionization potential of hydrogen atom is.
Question # 18
The mass of proton is equal to.
Question # 19
Which particle is removed by a photon.
Question # 20
The Compton effect in X-rays proves that
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 process by which nuclei emit a ,b and gama rays in order to attain stability is called. |
A. Radioactive disintegration
B. Radio activity
C. B decay
D. Radioactive transmulation
|
| 2 | The most convenient unit for energy at the atomic level is. |
A. Joule
B. Watt second
C. Newton metre
D. Electron volt
|
| 3 | The neutral atoms of all isotopes of the same element contain the same numbers of. |
A. Electrons and protons
B. Electrons and neutrons
C. Neutrons
D. Neutrons and protons
|
| 4 | Which given element has lowest work function |
A. Na
B. Al
C. si
D. C
|
| 5 | The mass of proton is equal to. |
A. 1.673 x 10-27 kg
B. 1.673 x 1027 kg
C. 9.1 x 10-31 kg
D. 9.1 x 1031 kg
|
| 6 | Deuterium is |
A. A transuranic element
B. A type o cosmic particle
C. An isotope of hydrogen
D. An isotope of helium
|
| 7 | Radio carbon in the atmosphere is produced by the bombardment of. |
A. Oxygen by high energy neutrons
B. Oxygen by high energy protons
C. Nitrogen by high energy protons
D. Nitrogen by high energy neutrons
|
| 8 | Which given quantity remains the same in isotones. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
| 9 | The division and germier experiment relates to |
A. Diffusion
B. interference
C. Polarization
D. Electron diffraction
|
| 10 | Which of the following can be used as an arrester in a nuclear reactor. |
A. Graphite
B. heavy water
C. Uranium
D. Cadmium
|
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