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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
When a helium atom loses an electron it becomes.
Question # 2
In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.
Question # 3
The binary equivalent of 25 is
Question # 4
Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.
Question # 5
Which one of the following is a convenient energy unit to express the energy of sub atomic particles.
Question # 6
Alpha particles are used for the treatment of skin of a patient due to.
Question # 7
The SI unit of equivalent dose is
Question # 8
X-rays travel with
Question # 9
In a photocell, certain metals emit electrons for
Question # 10
Which of the following is believed to be carrier o nuclear forces.
Question # 11
Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits
Question # 12
The particles equal in mass or greater than protons are called.
Question # 13
On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.
Question # 14
Binding energy per nucleon is.
Question # 15
Isotopes are the atoms of the same elements which contain equal number of.
Question # 16
What is the scale for measurement of Banbridge mass spectrograph.
Question # 17
Which of the following radiations will burn human skin
Question # 18
What are isotopes.
Question # 19
In scattering experiment which force scatters alpha particle.
Question # 20
One gray is equal to.
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 | Which one of the following quantities is conserved in a nuclear reactor. |
A. Energy only
B. Mass only
C. Momentum only
D. Mass energy and momentum
|
| 2 | What is the scale for measurement of Banbridge mass spectrograph. |
A. Linear
B. Inverse
C. Exponential
D. Logarithmic
|
| 3 | Phenomenon of radioactivity is due to disintegration of. |
A. Proton
B. Neutron
C. electron
D. nucleus
|
| 4 | Two electrons approach each other their relative velocity will be. |
A. Zero
B. c
C. c/2
D. Infinity
|
| 5 | The working of cloud chamber is based in the presence of. |
A. Super heated vapours
B. Liquid
C. Super saturated vapors
D. Unsaturated vapours
|
| 6 | 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
|
| 7 | The band width of an audio amplifier is. |
A. 10 Hz to 10 kHz
B. 20 Hz to 54 Hz
C. 20 Hz to 20 kHz
D. 20 Hz to 60 kHz
|
| 8 | Which one the following is not a component of a Bipolar junction Transistor |
A. Base
B. Emitter
C. Collector
D. Grid
|
| 9 | The electrons behave as waves, because they can . |
A. Produce ions in gases
B. Diffracted by a crystal
C. Be deflected by electric fields
D. Be deflected by magnetic fields
|
| 10 | What will be excitation energy in the third orbit of hydrogen atom. |
A. 0.66 eV
B. 0.85 eV
C. 1.5 eV
D. 5.4 eV
|
Test Questions