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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
According to Max. Planck, energy is released or absorbed in discrete packets called.
Question # 2
Which of the following detectors can count fast and operate at low voltage.
Question # 3
A single quantum of electromagnetic radiation is termed as.
Question # 4
The SI unit of current gain is.
Question # 5
During transition, atom cannot emit
Question # 6
The energy that must be added to separate the nucleus is called.
Question # 7
The electrons behave as wave because.
Question # 8
An operational amplifiers will act as an inverting amplifier when the input signal is connected to.
Question # 9
There are how many types of forces or interactions.
Question # 10
A transistor can be used as
Question # 11
Special theory of relativity deals with the events in the frames of reference which move with constant.
Question # 12
A logic circuit whose output signal is '1' when inputs are different is.
Question # 13
In a cloud chamber the Alpha particles leave
Question # 14
Why FET amplifiers are called voltage controlled devices.
Question # 15
Which one of the following is a neutron absorber
Question # 16
Most widely used types of gas LASER are
Question # 17
In which of the following controlled nuclear chain reaction is used to liberate energy.
Question # 18
In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.
Question # 19
Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
Question # 20
The process of pair production will take place if the energy of photon is greater than.
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 | A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials. |
A. 5 days
B. 10 days
C. 40 days
D. 20 days
|
| 2 | In de Brogile model electron orbit must form |
A. Spectrum
B. Wave packets
C. Franhoffer lines
D. Clouds
|
| 3 | Which type of amplifier causes minimum drain of power supply. |
A. Class -A
B. Class -B
C. Class-C
D. Class -AB
|
| 4 | Which configuration is used to connect high impedance source to a low impedance lead. |
A. CE
B. CB
C. CC
D. BE
|
| 5 | Nuclear force as compared to electrostatic force is. |
A. Weaker and long range
B. Weaker and short range
C. Stronger and longer range
D. Stronger and short range
|
| 6 | The half life of a radioactive element depends upon. |
A. Temperature
B. pressure
C. nature of element
D. quantity of the element
|
| 7 | Which of the following particles leave no trail in a cloud chamber. |
A. Electrons
B. Protons
C. Alpha particles
D. Neutrons
|
| 8 | The 'x' in X-rays means |
A. Xenon
B. Explosion
C. x for unknown
D. X makes the spot
|
| 9 | The reciprocal of decay constant lamda of a radioactive substances is equal to. |
A. total life
B. Half life
C. Mean life
D. Curie
|
| 10 | How many terminals does a BJT have. |
A. 1
B. 2
C. 3
D. 4
|
Test Questions
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