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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 nucleus of tritium is called.
Question # 2
An operational amplifier can be used as a
Question # 3
The advantage of electron tube over a transistor is.
Question # 4
Which one of the following gates in a a universal gate.
Question # 5
In order to reduce uncertainty in momentum one must use light of.
Question # 6
The hyperfine lines in the spectrum relates to
Question # 7
Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.
Question # 8
The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.
Question # 9
X-rays are absorbed maximum by
Question # 10
An increase in frequency above threshold frequency results in.
Question # 11
The part of theory of relativity which deals with accelerated bodies is called.
Question # 12
The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
Question # 13
Which circuit elements has two stable states and can be used to store information.
Question # 14
the gain of an amplifier is independent of
Question # 15
Which of the following radiations will burn human skin
Question # 16
Which given element has lowest work function
Question # 17
The path of Gama rays in Wilson cloud chamber is
Question # 18
The critical mass of a fissionable material is.
Question # 19
The unit generally used for measuring astronomical distances is.
Question # 20
Lines of Balmer series are emitted by hydrogen atom when the electron jumps from
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 value of open loop gain for the amplifier is |
A. zero
B. very low
C. very high
D. of an intermediate vaue
|
| 2 | A perfect back body |
A. Is a perfect absorber of all radiations
B. Is a perfect reflector of all radiations
C. Is a perfect reflector of visible lights radiations
D. Is a brownish object
|
| 3 | The mass of an helium nucleus is equal to. |
A. 2.0015 u
B. 3.0015 u
C. 4.0015 u
D. 5.0015 u
|
| 4 | The chemical behavior of an atom is determined by |
A. Mass number
B. Number of Isotopes
C. Atomic number
D. Binding energy
|
| 5 | Which of the following propagates at the same speed as velocity of light. |
A. Heat waves
B. Sound waves
C. Shock waves
D.
Beta particles
|
| 6 | When objects placed in a room are exposed to X- rays they appear |
A. Violet
B. Visible
C. Red
D. Invisible
|
| 7 | Mass -energy relation means that the product of mass times the square of the speed of light must be equal to. |
A. Torque
B. Momentum
C. Energy
D. Impulse
|
| 8 | An example of continuous spectrum is. |
A. Black body radiation spectrum
B. Molecular spectra
C. Atomic spectra
D. All of the above
|
| 9 | One gray is equal to. |
A. 1 J-1 kg -1
B. 1 J -1 kg -2
C. 1 J 1 -g-1
D. 1 j kg -2
|
| 10 | Compton scattering experiment seemed to indicate that radiation had |
A. Wave nature
B. Particle nature
C. Wave particle nature
D. X-rays nature
|
Test Questions