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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 detectors can count fast and operate at low voltage.
Question # 2
Positron are produced during.
Question # 3
The relationship between mass number atomic number and neutron number is.
Question # 4
When an electron and a positron are annihilated, then number of protons produced is.
Question # 5
The value of principal quantum number for an ionized atom is.
Question # 6
Which of the following radiations can penetrate 20 cm thick steel.
Question # 7
The Rutherford atom according to classical theory is
Question # 8
Which of the following phenomenon cannot be understood by quantum theory.
Question # 9
The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.
Question # 10
One radian is equal to.
Question # 11
The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by
Question # 12
x-rays cannot produce
Question # 13
When transistor works as an amplifier, its output is.
Question # 14
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 15
Neutrino9 is a particle with
Question # 16
Which of the following describes that the time interval between two events may be different in different of references
Question # 17
Mosley's law establishes the X-rays fluorescence of target element with is.
Question # 18
In heavy atims the electrons are assumed to be arranged in.
Question # 19
The continuous x rays spectrum is obtained due to
Question # 20
The reciprocal of decay constant lamda of a radioactive substances is equal to.
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 | The binding energy per nucleon for uranium is about. |
A. 7.7 MeV
B. 9.6 MeV
C. 13.6 MeV
D. 21.6 MeV
|
| 2 | Why FET amplifiers are called voltage controlled devices. |
A. Input is a current signal
B. Output is a current signal
C. Input is a voltage signal
D. Output is a voltage signal
|
| 3 | X-ray are |
A. Streams of negatively charted particles.
B. Electromagnetic wave
C. Streams of positively charged particles
D. Visible light
|
| 4 | Mass -energy relation means that the product of mass times the square of the speed of light must be equal to. |
A. Torque
B. Momentum
C. Energy
D. Impulse
|
| 5 | The SI unit of current gain is. |
A. Ampere
B. Ampere metre
C. Ampere volt
D. It has no unit
|
| 6 | Photocells are used for |
A. Security systems
B. Counting systems
C. Automatic door system
D. All of the above
|
| 7 | Sub atomic particles which experience strong nuclear force are. |
A. Leptons
B. Hadrons
C. Mesons
D. Quarks
|
| 8 | Atomic reactor is based on |
A. Controlled chain reaction
B. Uncontrolledly chain reaction
C. Nuclear fission
D. Nuclear fusion
|
| 9 | Which of the following is the most massive particle. |
A. Deuteron
B. Alpha particle
C. Neutron
D. positron
|
| 10 | Specially designed solid state detector can be used to detect. |
A. Alpha particles
B. Beta particles
C. Gama rays
D. X- rays
|
Test Questions
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