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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 circuits is used as local oscillator in radio receivers.
Question # 2
Why is a capacitor resistor combination used in oscillators in grid circuit.
Question # 3
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 # 4
Which of the following are electromagnetic waves.
Question # 5
Which of the following is not a mode of radioactive decay.
Question # 6
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 7
During transition, atom cannot emit
Question # 8
The Inner electrons in heavy atoms can be disturbed and dislodged by.
Question # 9
When a helium atom loses an electron it becomes.
Question # 10
The energy of neutrons obtained during a fission reaction is.
Question # 11
A perfect back body
Question # 12
Photocells are used for
Question # 13
In potential for the material of cathode pure metals are rarely used because of their
Question # 14
Which of the following is believed to be carrier o nuclear forces.
Question # 15
The half life of uranium -238 is
Question # 16
A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.
Question # 17
Which of the following detectors can count fast and operate at low voltage.
Question # 18
Which particle has zero charge and zero rest mass.
Question # 19
The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.
Question # 20
The chain reaction is controlled by a series of rods usually made 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
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 | In scattering experiment which force scatters alpha particle. |
A. Nuclear force
B. Coulomb's force
C. Gravitational force
D. Centripetal force
|
| 2 | The process of energy generation in sun and stars is. |
A. Fusion of heavy nuclei
B. fusion of light nuclei
C. Fission of light nuclei
D. Solar panels
|
| 3 | Current gain of a CE amplifier is 50, ITS hfe is about |
A. 25
B. 50
C. 75
D. 100
|
| 4 | There are how many modes of operations of a BJT. |
A. 2
B. 3
C. 4
D. 5
|
| 5 | Emitter follower amplifier is an example of. |
A. Current series feedback
B. Voltage series feedback
C. Current shunt feed back
D. Voltage shunt feedback
|
| 6 | The electrons behave as wave because. |
A. They can be diffracted by a crystal
B. They can be defecting by magnetic field
C. They can be deflecting by electric field
D. they can produce ions in gases
|
| 7 | X-rays used for |
A. Cutting boring and precision welding
B. Retina stitching in eye operations
C. Detecting heavy elements under the earth
D. Deflecting flaws in welding and casting
|
| 8 | The necessary condition for nuclear fusion is. |
A. High temperature and high pressure.
B. Low temperature and high pressure
C. Low temperature and low pressure
D. High temperature and low pressure.
|
| 9 | Half life and mean lifetime of a radioactive element are. |
A. Equal to each other
B. Inversely proportional to each other
C. Directly proportional to each other
D. Not related to each other
|
| 10 | Work function is generally expressed in. |
A. Electron volt
B. Joules
C. Newtons
D. Gauss
|
Test Questions