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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 phenomenon of Compton's effect process that right has
Question # 2
The transition of inner shell electrons in heavy atoms gives rise to the emission of.
Question # 3
The radius of first Bohr's orbit for hydrogen atom is.
Question # 4
An operational amplifier can be used as a
Question # 5
Which of the following is not an electromagnetic wave.
Question # 6
Why is a capacitor resistor combination used in oscillators in grid circuit.
Question # 7
When an electron and a positron are annihilated, then number of protons produced is.
Question # 8
The term used for the emission of electrons when light strikes a surface.
Question # 9
The gama rays have
Question # 10
A single quantum of electromagnetic radiation is termed as.
Question # 11
The critical mass of fissionable uranium -235 can be reduced by
Question # 12
In CC configuration voltage gain is.
Question # 13
The exitance of more than one distinct state with the same energy is called.
Question # 14
In n-p-n transistor the current flows in the direction from
Question # 15
An emitter follower has
Question # 16
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 # 17
The band width of an audio amplifier is.
Question # 18
The Compton effect in X-rays proves that
Question # 19
Which experiment is a demonstration that matter and energy can display properties of both waves and particles.
Question # 20
Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.
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 | Critical mass is the minimum mass needed for |
A. Fusion
B. H-Bomb
C. Chain reaction
D. Binding energy
|
| 2 | Which of the following circuits is used as local oscillator in radio receivers. |
A. AF oscillator
B. Phase Local Loop
C. RF oscillator
D. All of the above
|
| 3 | What is the overall gain, if three amplifiers each with a gain of 30 are cacaded. |
A. 30
B. 90
C. 270
D. 27,000
|
| 4 | Both xenon and cesium each have |
A. 24 isotopes
B. 28 isotopes
C. 32 isotopes
D. 36 isotopes
|
| 5 | Which of the following detectors can count fast and operate at low voltage. |
A. G.M Counter
B. Cloud chamber
C. Solid state detector
D. Bubble chamber
|
| 6 | In an electronic transition atom cannot emit |
A. Gama rays
B. Visible rays
C. Infrared rays
D. Ultraviolet rays
|
| 7 | The molecular weight of D2O is |
A. 16
B. 18
C. 20
D. 24
|
| 8 | The chain reaction is controlled by a series of rods usually made of. |
A. uranium
B. Cadimium
C. Boron
D. Steel
|
| 9 | What is the quantitative description of the effect of radiation on the living tissue. |
A. Radiation dosimetry
B. Radioactive dating
C. Telemetry
D. Dosage
|
| 10 | The helium nucleus does not contain |
A. Two electrons
B. Two neutrons
C. Two protons
D. Six nucleons
|
Test Questions