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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 potential due to which an electron is lifted from gerund state to excited state is.
Question # 2
Photocells are used for
Question # 3
A transistor consists of.
Question # 4
A logic circuit whose output signal is '1' when inputs are different is.
Question # 5
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
Question # 6
During transition, atom cannot emit
Question # 7
A spectroscope sorts out
Question # 8
The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.
Question # 9
In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.
Question # 10
The half life of uranium -238 is
Question # 11
The ionization potential of hydrogen atom is.
Question # 12
The absorption of X-rays in a given material follows.
Question # 13
The gama rays have
Question # 14
The reciprocal of decay constant lamda of a radioactive substances is equal to.
Question # 15
The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
Question # 16
The maximum K.E of photo electrons depends upon
Question # 17
Negative feedback
Question # 18
An important property of an ideal power supply is.
Question # 19
Sub atomic particles which experience strong nuclear force are.
Question # 20
A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is
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 particles equal in mass or greater than protons are called. |
A. Mesons
B. Bosons
C. Baryons
D. Nucleons
|
| 2 | When we pass a radiation from a radioactive material through an electric field. |
A. All three kinds of rays will be deflected
B. Only the Gama rays are deflected
C. The Alpha and Beta particles are deflected
D. Only the alpha particles are deflected
|
| 3 | 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
|
| 4 | The mass of an alpha particle is. |
A. 2 u
B. 4 u
C. 6 u
D. 8 u
|
| 5 | The angle of scattering for which the Compton shift is maximum is. |
A. 0 o
B. 45 o
C. 80 o
D. 180 o
|
| 6 | Which Isotopes is use din radioactive dating. |
A. C12
B. C13
C. C14
D. C16
|
| 7 | A spectroscope sorts out |
A. Atoms
B. Molecules
C. Elements
D. Isotopes
|
| 8 | Alpha particles emitted from a radioactive material are. |
A. He nucliei
B. H -nucliei
C. Li nucliei
D. B nucliei
|
| 9 | An increase in frequency above threshold frequency results in. |
A. Increase in photo electric current
B. Increase in K.E. of electrons
C. Decrease in photoelectric current
D. Decreases in K.E. of electrons
|
| 10 | Which quantity remains fixed in isobars. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
Test Questions