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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 radius of first Bohr's orbit for hydrogen atom is.
Question # 2
X-rays are absorbed maximum by
Question # 3
The usefulness of X rays is largely due to their
Question # 4
The chemical behavior of an atom is determined by
Question # 5
the wavelength of continuous X-rays is inversely proportional to.
Question # 6
The bunding energy per nucleon for iron is.
Question # 7
Which is the famous standard model of the universe.
Question # 8
How positives feedback will effect an amplifier.
Question # 9
When using the formula E = h lambda what unit should energy have.
Question # 10
Bohr's atomic model assumes
Question # 11
The part of theory of relativity which deals with accelerated bodies is called.
Question # 12
The half life of a radioactive substance depend on.
Question # 13
Positron are produced during.
Question # 14
Which of the following is the most commonly used regions of operations for a transistor.
Question # 15
An operational amplifier have how many input terminals.
Question # 16
The best shield against Gama rays would be of
Question # 17
One particle having zero mass and zero charge is.
Question # 18
The working of cloud chamber is based in the presence of.
Question # 19
A spectroscope sorts out
Question # 20
Radioactive substances do not emit
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 | Push pull amplifiers employ |
A. One transistor
B. Two transistors
C. Three transistors
D. Four transistors
|
| 2 | Why transistor is preferred to triode valve for use as an amplifier. |
A. Because it can handle large power
B. Because it has higher input impedance
C. Because it has higher voltage gain
D. Because it has lower voltage gain
|
| 3 | Which one of the following quantities is conserved in a nuclear reactor. |
A. Energy only
B. Mass only
C. Momentum only
D. Mass energy and momentum
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| 4 | A gama ray of energy 1900 MeV is absorbed by |
A. Proton antiproton pair
B. Electron positron pair
C. Producing heat in the substance
D. The orbit
|
| 5 | The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as. |
A. Faraday energy
B. Wave number
C. Ionization Potential
D. Excitation potential
|
| 6 | The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by |
A. Dividing by 931
B. Multiplying by 931
C. Diving by 391
D. Multiplying by 391
|
| 7 | The part of theory of relativity which deals with accelerated bodies is called. |
A. special theory of relativity
B. General theory of relativity
C. Lorentz's theory of relativity
D. Galilean theory of relativity
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| 8 | Which particles have spin quantum number 1/2 |
A. Mesons
B. Laptons
C. Hadrons
D. Muons
|
| 9 | Matter waves |
A. Are electromagnetic in nature
B. Travel with the speed of light
C. Can be diffracted
D. Are longitudinal waves
|
| 10 | Hydrogen bomb is based on |
A. Controlled chain reaction
B. Uncontrolled chain reaction
C. Nuclear fusion
D. Nuclear fission
|
Test Questions