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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
Alpha particles are
Question # 2
A CE amplifier with by passed emitter resistor is an example of.
Question # 3
Mosley's law establishes the X-rays fluorescence of target element with is.
Question # 4
The helium nucleus does not contain
Question # 5
In CC configuration voltage gain is.
Question # 6
In a nuclear reactor chani reaction is controlled by introducing.
Question # 7
When an electron and a positron are annihilated, then number of protons produced is.
Question # 8
A solid state detector is basically
Question # 9
Which of the following is invariant under Galilean transformation.
Question # 10
Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits
Question # 11
As oscillator is basically an amplifier with loop gain
Question # 12
Which of the following is the most massive particle.
Question # 13
Work function is generally expressed in.
Question # 14
The working of cloud chamber is based in the presence of.
Question # 15
The most abundant isotope of neon is.
Question # 16
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 17
The tunnel effect makes possible
Question # 18
The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.
Question # 19
In Compton's effect it was considered that X-rays consist of
Question # 20
Which of the following has greatest binding energy per nucleon.
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 photon is chasing an electron, whose speed is 0.9 c What is their relative speed. |
A. 0.1 C
B. C
C. 0.8 C
D. 0.9 C
|
| 2 | The absorption of X-rays in a given material follows. |
A. A parabola path
B. Is straight line
C. An exponential curve
D. A circle
|
| 3 | For an electron or position the rest mass energy is equal to. |
A. 0.21 MeV
B. 0.51 MeV
C. 1.51 MeV
D. 1.21 MeV
|
| 4 | The helium nucleus does not contain |
A. Two electrons
B. Two neutrons
C. Two protons
D. Six nucleons
|
| 5 | Work function is generally expressed in. |
A. Electron volt
B. Joules
C. Newtons
D. Gauss
|
| 6 | The energy equivalent of 1 kg of matter a |
A. 10-15 J
B. 1 J
C. 1012J
D. 1017 J
|
| 7 | At what speed the mass of a body will be doubled. |
A. 0.67 C
B. 0.77 C
C. 0.87 C
D. 0.97 C
|
| 8 | The division and germier experiment relates to |
A. Diffusion
B. interference
C. Polarization
D. Electron diffraction
|
| 9 | Mean life of a radioactive sample is 100 s its half life will be |
A. 0.693 s
B.
1 s
C. 6.93 s
D. 69.3 s
|
| 10 | For the normal operation of transistor the emitter base junction is always. |
A. Zero biased
B. Reverse biased
C. Forward bised
D. Both a and b
|
Test Questions
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