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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 band width of an audio amplifier is.
Question # 2
In a cloud chamber the Alpha particles leave
Question # 3
An example of continuous spectrum is.
Question # 4
In scattering experiment which force scatters alpha particle.
Question # 5
In a photocell, certain metals emit electrons for
Question # 6
Alpha particles are
Question # 7
Which type of amplifier causes minimum drain of power supply.
Question # 8
Which of the following has greatest binding energy per nucleon.
Question # 9
For the normal operation of transistor the emitter base junction is always.
Question # 10
An oscillator is basically an amplifier with loop gain
Question # 11
What is the energy equivalent to amu in Me V
Question # 12
How positives feedback will effect an amplifier.
Question # 13
What is the relativistic version of the Schrodinger equation.
Question # 14
X-rays are
Question # 15
When of the following radiations are not emitted by electron transitions in atoms.
Question # 16
When we pass a radiation from a radioactive material through an electric field.
Question # 17
The nucleus of tritium is called.
Question # 18
The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.
Question # 19
Which particle is removed by a photon.
Question # 20
Which of the following is not a mode of radioactive decay.
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
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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
20 Questions
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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 | Which of the following radiations can penetrate 20 cm thick steel. |
A. Alpha particles
B. Beta particles
C. Gama particles
D. Neutrons
|
| 2 | Which experiment confirmed the de Broglie hypothesis. |
A.
Double slit experiment
B. Division germier experiment
C. Schrodinger's Cat experment
D. Bohr's experiment
|
| 3 | Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to. |
A. 2.4 J
B. 4.2 J
C. 12.3 eV
D. 13.6 eV
|
| 4 | The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely. |
A. 12 years
B. 24 years
C. 48 years
D. infinity
|
| 5 | The total number nucleons in a nucleus are called. |
A. Mass number
B. Atomic number
C. Neutron number
D. Isotopes
|
| 6 | A unijunction transistor |
A. Has only one junction
B. Is a two terminal device
C. Is fabricated from germanium
D. Is fabricated fromuranium
|
| 7 | In heavy elements of the periodic table the number of neutrons than protons are. |
A. Lesser
B. Greater
C. Equal
D. Undetermined
|
| 8 | Which of the following can be used as an arrester in a nuclear reactor. |
A. Graphite
B. heavy water
C. Uranium
D. Cadmium
|
| 9 | How positives feedback will effect an amplifier. |
A. Increases the voltage gain
B. Decreases the voltage gain
C. Imitates oscillation to occur
D. Damaged it
|
| 10 | Which particle has zero charge and zero rest mass. |
A. Neutron
B. Proton
C. Electron
D. Photon
|
Test Questions
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