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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
Special theory of relativity deals with the events in the frames of reference which move with constant.
Question # 2
Transistor are made from
Question # 3
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 4
In which of the following controlled nuclear chain reaction is used to liberate energy.
Question # 5
What is the quantitative description of the effect of radiation on the living tissue.
Question # 6
In electromagnetic spectrum X-rays are next to.
Question # 7
The potential due to which an electron is lifted from gerund state to excited state is.
Question # 8
X-rays are absorbed maximum by
Question # 9
The electrons behave as waves, because they can .
Question # 10
At high temperature a body generally emits redactions of.
Question # 11
The critical mass of a fission reaction is.
Question # 12
The process by which nuclei emit a ,b and gama rays in order to attain stability is called.
Question # 13
Which particle is removed by a photon.
Question # 14
Which of the following has greatest binding energy per nucleon.
Question # 15
A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.
Question # 16
The chain reaction is controlled by a series of rods usually made of.
Question # 17
The constant lamda is called the.
Question # 18
The radius of first Bohr's orbit for hydrogen atom is.
Question # 19
The half life of a radioactive substance as compared to its mean lif eis.
Question # 20
When a posirtron is emitted it causes.
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 | Ebers-Moll model describes the working of a |
A. BJT
B. FET
C. MOSFET
D. UJT
|
| 2 | The value of principal quantum number for an ionized atom is. |
A. 13.6 eV
B. 27.2 eV
C. 54.4 eV
D. 100 eV
|
| 3 | Which of the following are electromagnetic waves. |
A. Alpha particles
B. Beta particles
C. Gama rays
D. Water waves
|
| 4 | How many types of quarks were suggested i 1964 quark theory. |
A. Two
B. Three
C. Four
D. Five
|
| 5 | Which given quantity remains the same in isotones. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
| 6 | Bohr's atomic model assumes |
A. Nucleus is of infinite mass and is at rest
B. electron in a quantized orbit will not radiate energy
C. Mass of electron remains the same
D. All of the above
|
| 7 | 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
|
| 8 | Which of the following phenomenon is explained by the tunnel efffect. |
A. Alpha decay
B. Beta decay
C. Gama decay
D. Radioactivity
|
| 9 | LASER beam my be measure very large distance because it is. |
A. Inidirectional
B. coherent
C. Monochromatic
D. Not absorbed
|
| 10 | Isotopes are the atoms of the same elements which contain equal number of. |
A. Nucleus
B. Neutrons
C. Protons
D. Electrons
|
Test Questions