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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
00:00
Question # 1
The gama rays have
Question # 2
Which given quantity remains the same in isotones.
Question # 3
The band width of an audio amplifier is.
Question # 4
Which particle are not emitted by a radioactive substance.
Question # 5
Beta decay may occur by
Question # 6
In which of the following controlled nuclear chain reaction is used to liberate energy.
Question # 7
A device used to determine mass of an isotope quite accurately is known as.
Question # 8
The strength of photo electric current depends upon.
Question # 9
The critical mass of a fissionable material is.
Question # 10
The most readily fissionable isotope of uranium has atomic mass of
Question # 11
The output of two input OR gate is zero only when its.
Question # 12
A slow neutron can cause fission in
Question # 13
The X-rays coming from a X-rays tube
Question # 14
The usefulness of X rays is largely due to their
Question # 15
Which particle has zero charge and zero rest mass.
Question # 16
Which of the following are electromagnetic waves.
Question # 17
The input resistance of a JFET is of the order of.
Question # 18
According to Max. Planck, energy is released or absorbed in discrete packets called.
Question # 19
Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.
Question # 20
The constant lamda is called the.
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 energy delivered to the tissue per unit mass is called the absorbed dose of. |
A. X rays
B. gama rays
C. Radiation
D. energy
|
| 2 | Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current. |
A. 1 mA
B. 100 mA
C. 98 mA
D. 110 mA
|
| 3 | A photon is chasing an electron, whose speed is 0.9 c What is their relative speed. |
A. 0.1 C
B. C
C. 0.8 C
D. 0.9 C
|
| 4 | Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits |
A. Radiowaves
B. Alpha particles
C. Beta particles
D. gama particles
|
| 5 | In CE amplifier phased reversal occurs when the output voltage is taken between |
A. Base and collector
B. Base and emitter
C. Collector and emitter
D. None of the terminals
|
| 6 | Which one among these contacts in a transistor is non rectifying. |
A. Base
B. Emitter
C. Collector
D. None of these
|
| 7 | Which of the following has the highest relative biological effectiveness or the quality factor. |
A. X rays and Gama rays
B. Electrons
C. Photons
D. Alpha particles
|
| 8 | the alpha particle does not travel for enough in air. |
A. Due to its intense ionization
B. Due to its large mass
C. Due to its high charge
D. Due to its Hight Ionization
|
| 9 | The unit of Rydberg constant R is |
A. m
B. m3
C. m-1
D. m-2
|
| 10 | The phenomenon of radioactivity is associated with |
A. Decay of nucleus
B. Decay of atoms
C. Fusion of nuclei
D. Emission of electrons
|
Test Questions
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