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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
Which of the following propagates at the same speed as velocity of light.
Question # 2
The unit generally used for measuring astronomical distances is.
Question # 3
In a Nuclear reactor which material is often used as modeerator.
Question # 4
Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits
Question # 5
Emitter follower amplifier is an example of.
Question # 6
Specially designed solid state detector can be used to detect.
Question # 7
Which both elements are good for nuclear fission.
Question # 8
In a transistor which one is very thin.
Question # 9
Mosley's law establishes the x rays fluorescence's of target element with its.
Question # 10
In the fusion process, there are
Question # 11
An increase in frequency above threshold frequency results in.
Question # 12
The helium nucleus does not contain
Question # 13
At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.
Question # 14
The input resistance of a JFET is of the order of.
Question # 15
Lines of Balmer series are emitted by hydrogen atom when the electron jumps from
Question # 16
The decimal equivalent of 1111 is
Question # 17
The necessary condition for nuclear fusion is.
Question # 18
When a helium atom loses an electron it becomes.
Question # 19
The result of the alpha particle scattering experiment gave evidence for which of the following.
Question # 20
In CE amplifier phased reversal occurs when the output voltage is taken between
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 | From which radiation it is most difficult to protect oneslelf. |
A. Alpha radiation
B. Beta radiation
C. Gama radiation
D. Heat radiation
|
| 2 | The radius of second orbit of hydrogen atom is |
A. 0.071 A
B. 0.142 A
C. 4.752 A
D. 9.5298 A
|
| 3 | Nuclear force exists between |
A. Proton proton
B. Neutron -neutron
C. neutron -proton
D. All of these
|
| 4 | The half life of uranium -238 is |
A. 1620 years
B. 4.5 x 109 years
C. 3-8 days
D. 23.5 minutes
|
| 5 | Which BJT configurations used for signal inversion. |
A. CE
B. CC
C. CB
D. BE
|
| 6 | A darling ion amplifier is characterized by |
A. High voltage and current gain
B. High input resistance and current gain
C. High output resistant and current gain
D. Low input resistance and current gain
|
| 7 | Current gain of a CE amplifier is 50, ITS hfe is about |
A. 25
B. 50
C. 75
D. 100
|
| 8 | Which of the following quantities is discrete according to Bohr's hypothesis. |
A. Momentum
B.
Potential energy
C. Angular velocity
D. Angular momentum
|
| 9 | Radioactive substances do not emit |
A. Alpha particles
B. Beta particles
C. Gama rays
D. Neutrons
|
| 10 | Alpha particles are used for the treatment of skin of a patient due to. |
A. Highly ionizing power
B. Low penetration power
C. Positively charged particles
D. Helium nucler
|
Test Questions
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