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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
During the alpha decay process
Question # 2
Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.
Question # 3
The continuous X rays spectrum is due to an effect.
Question # 4
In a fission reactor which particle causes a uranium -235 nucleus to split.
Question # 5
One particle having zero mass and zero charge is.
Question # 6
What will be excitation energy in the third orbit of hydrogen atom.
Question # 7
The division and germier experiment relates to
Question # 8
When an electron and a positron are annihilated, then number of protons produced is.
Question # 9
An operational amplifier have how many input terminals.
Question # 10
Which particle has zero charge and zero rest mass.
Question # 11
The emission of Beta particle from protonium -218 results in the formation of.
Question # 12
When a beta particle travels though a medium it knocks out electrons from the atoms due to.
Question # 13
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
Question # 14
A darling ion amplifier is characterized by
Question # 15
How much large is the proton mass than the electron mass.
Question # 16
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 17
Tracer techniques make use of.
Question # 18
Which of the following is formed by decay of a free neurton.
Question # 19
The radius of first Bohr's orbit for hydrogen atom is.
Question # 20
What are isotopes.
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 | A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time. |
A. 25 g
B. 50 g
C. 75 g
D. 100 g
|
| 2 | The wavelength of X-rays is of the ofder of. |
A. 10-14 m
B. 10-10 m
C. 10-9 m
D. 10-6 m
|
| 3 | Which experiment is a demonstration that matter and energy can display properties of both waves and particles. |
A. young's double slit experiment
B. Division germier experiment
C. Heisenberg's uncertainty experiment
D. Stern Gerlach experiment
|
| 4 | In n-p-n transistor the current flows in the direction from |
A. Emitter to base
B. emitter to collector
C. Base to emitter
D. Base to collector
|
| 5 | In annitilation of matter, positron and electron pair disappears into two |
A. Alpha particles
B. Beta particles
C. Game particles
D. X-rays
|
| 6 | Why transistor is preferred to triode valve for use as an amplifier. |
A. Because it can handle large power
B. Because it has higher input impedance
C. Because it has higher voltage gain
D. Because it has lower voltage gain
|
| 7 | Matter waves |
A. Are electromagnetic in nature
B. Travel with the speed of light
C. Can be diffracted
D. Are longitudinal waves
|
| 8 | Push pull amplifiers employ |
A. One transistor
B. Two transistors
C. Three transistors
D. Four transistors
|
| 9 | A device used to determine mass of an isotope quite accurately is known as. |
A. Spectrometer
B. Mass spectrometer
C. Mass detector
D. Electronic balance
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| 10 | What is the scale for measurement of Banbridge mass spectrograph. |
A. Linear
B. Inverse
C. Exponential
D. Logarithmic
|
Test Questions