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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
The division and germier experiment relates to
Question # 2
Radius of the Bother's orbit is r the radius of second orbit will be.
Question # 3
The capture of neutron by a proton results in the formation of.
Question # 4
Ebers-Moll model describes the working of a
Question # 5
A unijunction transistor
Question # 6
Nuclear force exists between
Question # 7
The working of cloud chamber is based in the presence of.
Question # 8
The half life of a radioactive substance as compared to its mean lif eis.
Question # 9
There are how many modes of operations of a BJT.
Question # 10
The most convenient unit for energy at the atomic level is.
Question # 11
The most suitable material for moderator in a nuclear reactor is.
Question # 12
Radioactive decay series can be represents on
Question # 13
An operational amplifiers will act as an inverting amplifier when the input signal is connected to.
Question # 14
Which Isotopes is use din radioactive dating.
Question # 15
The electrons behave as waves, because they can .
Question # 16
Which configuration is used to connect high impedance source to a low impedance lead.
Question # 17
When using the formula E = h lambda what unit should energy have.
Question # 18
Which given element has lowest work function
Question # 19
Compton scattering experiment seemed to indicate that radiation had
Question # 20
The unit Planck's constant is equivalent to that of.
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
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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
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Set 16
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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 unit Planck's constant is equivalent to that of. |
A. Energy
B. Force
C. Velocity
D. Angular momentum
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| 2 | The possible values of principal quantum number are. |
A. only zero
B. 0,1,2,...................7
C. 1,2,3........................8
D. 2,3,4,6...............10
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| 3 | A CE amplifier with by passed emitter resistor is an example of. |
A. Current series feedback
B. Voltage sires feed back
C. Current shunt feedback
D. Voltage shunt feed back
|
| 4 | 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
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| 5 | In the fusion process, there are |
A. Hydrogen isotopes
B. Helium Isotopes
C. Carbon isotopes
D. Oxygen isotopes
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| 6 | The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called. |
A. Threshold frequency
B. work function
C. Wave number
D. Kinetic energy
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| 7 | Which BJT configurations used for signal inversion. |
A. CE
B. CC
C. CB
D. BE
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| 8 | What is the overall gain, if three amplifiers each with a gain of 30 are cacaded. |
A. 30
B. 90
C. 270
D. 27,000
|
| 9 | In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil. |
A. Atomic nuclei may contain neutrons
B. Atoms are electrically neutral
C. Atoms are largely empty space
D. Atoms have positively charged nuclei
|
| 10 | X-ray are |
A. Streams of negatively charted particles.
B. Electromagnetic wave
C. Streams of positively charged particles
D. Visible light
|
Test Questions
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