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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
In n-p-n transistor the current flows in the direction from
Question # 2
Transistors with various combinations are widely used as switches in.
Question # 3
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 4
As oscillator is basically an amplifier with loop gain
Question # 5
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 # 6
The part of theory of relativity which deals with accelerated bodies is called.
Question # 7
An Alpha particle is the same as
Question # 8
The most convenient unit for energy at the atomic level is.
Question # 9
The most familiar example of radioactive dating is.
Question # 10
An AND gate is.
Question # 11
Transistor are made from
Question # 12
In electromagnetic spectrum X-rays are next to.
Question # 13
Lines of Balmer series are emitted by hydrogen atom when the electron jumps from
Question # 14
The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.
Question # 15
The strength of photo electric current depends upon.
Question # 16
What do we study by crystallography.
Question # 17
Bohr's atomic model assumes
Question # 18
The working of cloud chamber is based in the presence of.
Question # 19
Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.
Question # 20
The unit of Rydberg constant R 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
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Set 7
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Set 8
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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
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Set 19
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Set 20
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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 | A spectroscope sorts out |
A. Atoms
B. Molecules
C. Elements
D. Isotopes
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| 2 | LASER is a device which can produce. |
A. Monochromatic beam of light
B. Coherent beam of light
C. An intense beam of light
D. All of the above
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| 3 | In a cloud chamber the Alpha particles leave |
A. Dense, straight and continuous tracks
B. Only straight and continuous tracks
C. Thin and discontinuous tracks
D. Irregular tracks
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| 4 | Which type of radiation would be stopped completely by a thin piece of cardboard. |
A. Alpha particles
B. Beta particles
C. Gama rays
D. X -rays
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| 5 | The most abundant isotope of neon is. |
A. Neon -20
B. Neon -21
C. Neon -22
D. Both a and c
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| 6 | Transistor stands for |
A. Transfer of resistance
B. Transfer of current
C. Transfer of power
D. Transfer of voltage
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| 7 | What is the basic advantage of class A operation of an amplifier. |
A. It has high efficiency
B. It has high gain
C. It has low distortion
D. It has high distortion
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| 8 | Which particle interact via all fundamental forces. |
A. Leptons
B. Hadrons
C. Muons
D. mesons
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| 9 | The value of open loop gain for the amplifier is |
A. zero
B. very low
C. very high
D. of an intermediate vaue
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| 10 | The binding energy per nucleon for uranium is about. |
A. 7.7 MeV
B. 9.6 MeV
C. 13.6 MeV
D. 21.6 MeV
|
Test Questions
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