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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 best shield against Gama rays would be of
Question # 2
During the alpha decay process
Question # 3
The X-rays coming from a X-rays tube
Question # 4
Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.
Question # 5
An operational amplifiers will act as an inverting amplifier when the input signal is connected to.
Question # 6
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
Question # 7
The gama rays have
Question # 8
Which is the famous standard model of the universe.
Question # 9
Which configuration is used to connect high impedance source to a low impedance lead.
Question # 10
The energy equivalent of 1 kg of matter a
Question # 11
X-rays travel with
Question # 12
Which BJT configurations used for signal inversion.
Question # 13
In the experiment of production of X rays electrons are accelerated towards the anode by
Question # 14
An operational amplifier can be used as a
Question # 15
Among different elements of the periodic table which of the following atoms is the simplest.
Question # 16
The radius of second orbit of hydrogen atom is
Question # 17
For an electron or position the rest mass energy is equal to.
Question # 18
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 19
Which both elements are good for nuclear fission.
Question # 20
Which of the following quantities is discrete according to Bohr's hypothesis.
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
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Set 10
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Set 11
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Set 12
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Set 13
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Set 14
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Set 15
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Set 16
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Set 17
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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 molecular weight of D2O is |
A. 16
B. 18
C. 20
D. 24
|
| 2 | Which of the following is believed to be carrier o nuclear forces. |
A. Lepton
B. Meson
C. Bason
D. Baryon
|
| 3 | Which both elements are good for nuclear fission. |
A. Thorium an uranium
B. Thorium and radium
C. Plutonium and uranium
D. Plutonium and throrium
|
| 4 | Mean life of a radioactive sample is 100 s its half life will be |
A. 0.693 s
B.
1 s
C. 6.93 s
D. 69.3 s
|
| 5 | Radioactive decay series can be represents on |
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper
|
| 6 | A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time. |
A. 25 g
B. 50 g
C. 75 g
D. 100 g
|
| 7 | The hyperfine lines in the spectrum relates to |
A. Stark effect
B. Zeeman effect
C. Lande's spliting
D. Nuclear magnetic spin
|
| 8 | The critical mass of a fission reaction is. |
A. The mass to start a nuclear fission reaction
B. The minimum mass for chain reaction
C. The size of the reactor core
D. The size of fuel plus the size of moderator
|
| 9 | Which of the following is the most massive particle. |
A. Deuteron
B. Alpha particle
C. Neutron
D. positron
|
| 10 | There are how many modes of operations of a BJT. |
A. 2
B. 3
C. 4
D. 5
|
Test Questions
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