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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 that must be added to separate the nucleus is called.
Question # 2
The path of Gama rays in Wilson cloud chamber is
Question # 3
Why is a capacitor resistor combination used in oscillators in grid circuit.
Question # 4
Which of the following configuration of BJTs gives both voltage gain and current gain.
Question # 5
One rem is equal to.
Question # 6
Which of the following is deflected by an electric field.
Question # 7
Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.
Question # 8
Transistors with various combinations are widely used as switches in.
Question # 9
What is the effect of electric and magnetic fields on X-rays
Question # 10
The electrons behave as wave because.
Question # 11
LASER beam my be measure very large distance because it is.
Question # 12
The back ground radiation in the atmosphere on the average is
Question # 13
Alpha particles emitted from a radioactive material are.
Question # 14
A perfect back body
Question # 15
Radio carbon in the atmosphere is produced by the bombardment of.
Question # 16
One becquerel is equal to
Question # 17
Besides U 235 what else is needed for making as atomic bomb.
Question # 18
The energy delivered to the tissue per unit mass is called the absorbed dose of.
Question # 19
The radius of second orbit of hydrogen atom is
Question # 20
A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.
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 phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as. |
A. Zeeman's effect
B. Photoelectric effect
C. Compton's effect
D. Annihilation of matter
|
| 2 | 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
|
| 3 | Which temperature is required for the fusion of two nuclides. |
A. 106 K
B. 107 K
C. 10 8 K
D. 10 9 K
|
| 4 | The input exultation for a JFET is |
A. Current signal
B. Voltage signal
C. Voltage and current signals
D. Neither voltage nor current signal
|
| 5 | Which of the following causes the deflection of Alpha particles when they re passed through a thin foil. |
A. Attraction of nucleus
B. Collision with nuclei
C. Interactions with electrons
D. Electrostatic repulsion by the nucleus
|
| 6 | When a posirtron is emitted it causes. |
A. Mass number to increase by one
B. mass number to decrease by one
C. Atomic number to decrease by one
D. Atomic number to increase by one
|
| 7 | X-rays travel with |
A. The speed of light
B. The speed of sound
C. The speed of 3,000 m s-1
D. The speed of 3,500 m s-1
|
| 8 | On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon. |
A. Target material
B. Accelerating voltage
C. Filament temperature
D. Separation between target and the filament
|
| 9 | In CE amplifier phased reversal occurs when the output voltage is taken between |
A. Base and collector
B. Base and emitter
C. Collector and emitter
D. None of the terminals
|
| 10 | 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
|
Test Questions