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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
Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.
Question # 2
Transistor stands for
Question # 3
The particles equal in mass or greater than protons are called.
Question # 4
The ionization energy for hydrogen atom is
Question # 5
Which of the following are electromagnetic waves.
Question # 6
In n-p-n transistor the current flows in the direction from
Question # 7
What is the energy equivalent to amu in Me V
Question # 8
X-rays are also used for
Question # 9
If an object moves with velocity of light the apparent mass of the object as compared to list original mass is
Question # 10
The half life of uranium -238 is
Question # 11
Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.
Question # 12
In scattering experiment which force scatters alpha particle.
Question # 13
The reciprocal of decay constant lamda of a radioactive substances is equal to.
Question # 14
the alpha particle does not travel for enough in air.
Question # 15
What is the quantitative description of the effect of radiation on the living tissue.
Question # 16
Which one of the following is a convenient energy unit to express the energy of sub atomic particles.
Question # 17
Positron are produced during.
Question # 18
Special theory of relativity deals with the events in the frames of reference which move with constant.
Question # 19
The band width of an audio amplifier is.
Question # 20
The energy in an electromagnetic wave is carried in the units called.
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 | Negative feedback |
A. Increases stability
B. Decreases stability
C. Produces oscillatory
D. Cannot occur
|
| 2 | The value of open loop gain for the amplifier is |
A. zero
B. very low
C. very high
D. of an intermediate vaue
|
| 3 | Which particle is removed by a photon. |
A. Quark
B. Electron
C. Proton
D. Neutron
|
| 4 | Which Isotopes is use din radioactive dating. |
A. C12
B. C13
C. C14
D. C16
|
| 5 | The constant lamda is called the. |
A. Decay constant
B. Gas constant
C. Planck's constant
D. Dose constant
|
| 6 | In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called. |
A. Critical frequency
B. Typical frequency
C. Threshold frequency
D. Surface frequency
|
| 7 | The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years. |
A. 0.5 g
B. 1.2 g
C. 3.0 g
D. 6.0 g
|
| 8 | Which one the following is not a component of a Bipolar junction Transistor |
A. Base
B. Emitter
C. Collector
D. Grid
|
| 9 | A deuteron is |
A. A type of proton
B. A proton neutron bounded to gather.
C. A type of beta particle
D. A type of neutron
|
| 10 | The unit of Rydberg constant R is |
A. m
B. m3
C. m-1
D. m-2
|
Test Questions
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