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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
At what speed the mass of a body will be doubled.
Question # 2
Positron are produced during.
Question # 3
The ionization potential of hydrogen atom is.
Question # 4
What are isotopes.
Question # 5
The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.
Question # 6
Which of the following radiations will burn human skin
Question # 7
Compton scattering experiment seemed to indicate that radiation had
Question # 8
Transistor stands for
Question # 9
Neutrino9 is a particle with
Question # 10
When of the following radiations are not emitted by electron transitions in atoms.
Question # 11
An increase in frequency above threshold frequency results in.
Question # 12
At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.
Question # 13
If we use two diodes and a centre tapped transformer we eill get
Question # 14
The critical mass of a fissionable material is.
Question # 15
According to Max. Planck, energy is released or absorbed in discrete packets called.
Question # 16
Negative feedback
Question # 17
Which of the following radiations can penetrate 20 cm thick steel.
Question # 18
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 # 19
Which one of the following spectra series is in the ultraviolet region.
Question # 20
The strength of photo electric current depends upon.
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 | At room temperature the potential difference between the two sides of depletion region for silicon is of the order of. |
A. 0.3 v
B. 0.5 V
C. 0.7 V
D. 0.9 V
|
| 2 | X-rays are also used for |
A. Ultrasound imaging
B. endoscopy
C. Computerized tomography scanning
D. Magnetic resonance imaging scanning
|
| 3 | What is the energy equivalent to amu in Me V |
A. 0.931 MeV
B. 9.31 MeV
C. 93.1 MeV
D. 931 MeV
|
| 4 | Which of the following phenomenon is observed in obtaining an X ray photograph of our hand. |
A. Photoelectric effect
B. Zeeman effect
C. Shadow photography
D. Ionization
|
| 5 | The mass of proton is equal to. |
A. 1.673 x 10-27 kg
B. 1.673 x 1027 kg
C. 9.1 x 10-31 kg
D. 9.1 x 1031 kg
|
| 6 | X-rays are absorbed maximum by |
A. Paper
B. Copper
C. Steel
D. Lead
|
| 7 | Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring. |
A. Time period
B. Frequency
C. Voltage gain
D. phase angle
|
| 8 | The critical mass of a fissionable material is. |
A. 1 kg
B. 10 kg
C. 100 kg
D. 1.,000 kg
|
| 9 | The SI unit of radioactivity is. |
A. Becquerl
B. Curie
C. Joule
D. rutherford
|
| 10 | The half life of a radioactive substance depend on. |
A. Pressure
B. Temperature
C. Amount of substance
D. No external influences
|
Test Questions