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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
In a cloud chamber the Alpha particles leave
Question # 2
In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.
Question # 3
The half life of a radioactive substance depend on.
Question # 4
Specially designed solid state detector can be used to detect.
Question # 5
One becquerel is equal to
Question # 6
the alpha particle does not travel for enough in air.
Question # 7
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 8
X-rays are not used in RADARs because
Question # 9
The wavelength of X-rays is of the ofder of.
Question # 10
The output of two input OR gate is zero only when its.
Question # 11
The hyperfine lines in the spectrum relates to
Question # 12
Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.
Question # 13
The potential due to which an electron is lifted from gerund state to excited state is.
Question # 14
A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is
Question # 15
The energy of neutrons obtained during a fission reaction is.
Question # 16
The simple form of particle accelerator is.
Question # 17
A spectroscope sorts out
Question # 18
A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.
Question # 19
The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.
Question # 20
Half life and mean lifetime of a radioactive element are.
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
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Set 11
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Set 12
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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 term used for the emission of electrons when light strikes a surface. |
A. The zeeman effect
B. The photo electric effect
C. Skin effect
D. Compton effect
|
| 2 | One gray is equal to. |
A. 1 J-1 kg -1
B. 1 J -1 kg -2
C. 1 J 1 -g-1
D. 1 j kg -2
|
| 3 | A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is |
A. Inductor
B. Metal detector
C. Diode
D. Operational amplifier
|
| 4 | Radioactive decay series can be represents on |
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper
|
| 5 | Most widely used types of gas LASER are |
A. Neon
B. Argon ion
C. Helium
D. All of these
|
| 6 | Mosley's law establishes the x rays fluorescence's of target element with its. |
A. Atomic weight
B. Atomic number
C. Density
D. Lattice constant
|
| 7 | The bunding energy per nucleon for iron is. |
A. zero
B. Maximum
C. Negative
D. Minimum
|
| 8 | The angle of scattering for which the Compton shift is maximum is. |
A. 0 o
B. 45 o
C. 80 o
D. 180 o
|
| 9 | X-rays used for |
A. Cutting boring and precision welding
B. Retina stitching in eye operations
C. Detecting heavy elements under the earth
D. Deflecting flaws in welding and casting
|
| 10 | One radian is equal to. |
A. 0.1 Gy
B. 0.01 Gy
C. 0.001 Gy
D. 0.0001 gy
|
Test Questions