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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 energy equivalent of 1 kg of matter a
Question # 2
Which of the following is the most commonly used regions of operations for a transistor.
Question # 3
Which of the following is the most massive particle.
Question # 4
The back ground radiation in the atmosphere on the average is
Question # 5
What will be excitation energy in the third orbit of hydrogen atom.
Question # 6
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 7
A perfect back body
Question # 8
In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.
Question # 9
Which of the following is basic transistor configuration.
Question # 10
Emitter follower amplifier is an example of.
Question # 11
In annitilation of matter, positron and electron pair disappears into two
Question # 12
Radioactive substances do not emit
Question # 13
Mean life of a radioactive sample is 100 s its half life will be
Question # 14
Bohr's atomic model assumes
Question # 15
An increase in frequency above threshold frequency results in.
Question # 16
X-rays are absorbed maximum by
Question # 17
The neutral atoms of all isotopes of the same element contain the same numbers of.
Question # 18
The necessary condition for nuclear fusion is.
Question # 19
Which one of the following spectra series is in the ultraviolet region.
Question # 20
The ionization potential of hydrogen atom is.
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 unit Planck's constant is equivalent to that of. |
A. Energy
B. Force
C. Velocity
D. Angular momentum
|
| 2 | The unit of Rydberg constant R is |
A. m
B. m3
C. m-1
D. m-2
|
| 3 | An oscillator is basically an amplifier with loop gain |
A. Zero
B. Less than unity
C. More than unity
D. Infinity
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| 4 | 48 days after the receipt the amount of iodine -131 left behind is only. |
A. 0.1325 g
B. 0.2135 g
C. 0.3125 g
D. 0.1235 g
|
| 5 | The half life of a radioactive substance depend on. |
A. Pressure
B. Temperature
C. Amount of substance
D. No external influences
|
| 6 | Which particle is removed by a photon. |
A. Quark
B. Electron
C. Proton
D. Neutron
|
| 7 | 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
|
| 8 | A spectroscope sorts out |
A. Atoms
B. Molecules
C. Elements
D. Isotopes
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| 9 | During transition, atom cannot emit |
A. Visible light
B. Ultraviolet radiation
C. Infrared radiations
D. gama rays
|
| 10 | Which experiment confirmed the de Broglie hypothesis. |
A.
Double slit experiment
B. Division germier experiment
C. Schrodinger's Cat experment
D. Bohr's experiment
|
Test Questions
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