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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 quantities is discrete according to Bohr's hypothesis.
Question # 2
Which configuration is used to connect high impedance source to a low impedance lead.
Question # 3
Work function is generally expressed in.
Question # 4
Binding energy per nucleon is.
Question # 5
A logic circuit with one input and one output that inverts the input signal at the output is.
Question # 6
Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
Question # 7
The total energy of an electron in an orbit around the nucleus is.
Question # 8
Which of the following can be used as an arrester in a nuclear reactor.
Question # 9
At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.
Question # 10
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 11
Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.
Question # 12
What is the quantitative description of the effect of radiation on the living tissue.
Question # 13
Which one of the following has the largest wavelength.
Question # 14
The helium nucleus does not contain
Question # 15
A CE amplifier with by passed emitter resistor is an example of.
Question # 16
When an electron and a positron are annihilated, then number of protons produced is.
Question # 17
X-rays spectrum may be
Question # 18
Phenomenon of radioactivity is due to disintegration of.
Question # 19
The most abundant isotope of neon is.
Question # 20
In a fission reactor which particle causes a uranium -235 nucleus to split.
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 | When transistor works as an amplifier, its output is. |
A. More
B. Less
C. Zero
D. Directly proportional to the input
|
| 2 | 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
|
| 3 | The ionization energy for hydrogen atom is |
A. -11.6 eV
B. -12.6 eV
C. -13.6 eV
D. -19.6 eV
|
| 4 | Which of the following phenomenon is explained by the tunnel efffect. |
A. Alpha decay
B. Beta decay
C. Gama decay
D. Radioactivity
|
| 5 | Phenomenon of radioactivity is due to disintegration of. |
A. Proton
B. Neutron
C. electron
D. nucleus
|
| 6 | When Be is bombarded by alpha particles, then we obtain |
A. electron
B. Proton
C. Positron
D. Neutron
|
| 7 | What do we study by crystallography. |
A. The analysis of X ray spectra of elements and study of crystal structure.
B. Visible spectra of sources and crystal study
C. Ultraviolet spectra of sources and crystal study
D. Characteristics of X-rays
|
| 8 | An emitter follower has |
A. High input impedance and high output impedance
B. High input impedance and low output impedance
C. Low input impedance and low output impedance
D. Low input impedance and high output impedance
|
| 9 | Which one the following is not a component of a Bipolar junction Transistor |
A. Base
B. Emitter
C. Collector
D. Grid
|
| 10 | Current gain of a CE amplifier is 50, ITS hfe is about |
A. 25
B. 50
C. 75
D. 100
|
Test Questions
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