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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 phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.
Question # 2
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.
Question # 3
In electromagnetic spectrum X-rays are next to.
Question # 4
Specially designed solid state detector can be used to detect.
Question # 5
Among different elements of the periodic table which of the following atoms is the simplest.
Question # 6
The process of conversation of a photon into an electron and a position is called.
Question # 7
The phenomenon of radioactivity is associated with
Question # 8
When an object moves with a very high speed the length in the direction of motion.
Question # 9
A deuteron is
Question # 10
Transistor stands for
Question # 11
Besides U 235 what else is needed for making as atomic bomb.
Question # 12
At high temperature a body generally emits redactions of.
Question # 13
One radian is equal to.
Question # 14
The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
Question # 15
An important property of an ideal power supply is.
Question # 16
Which one of the following has the largest wavelength.
Question # 17
Which particle interact via all fundamental forces.
Question # 18
The result of the alpha particle scattering experiment gave evidence for which of the following.
Question # 19
The emission of Beta particle from protonium -218 results in the formation of.
Question # 20
Which of the following is the most massive particle.
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 | An operational amplifiers will act as an inverting amplifier when the input signal is connected to. |
A. Inverting terminal
B. Non inverting terminal
C. Earthened wire
D. Both a and b
|
| 2 | The process of pair production will take place if the energy of photon is greater than |
A. 0.21 MeV
B. 0.51 MeV
C. 1.51 MeV
D. 1.21 MeV
|
| 3 | The total energy of an electron in an orbit around the nucleus is. |
A. Zero
B. Unity
C. Infinity
D. Negative
|
| 4 | A transistor can be used as |
A. Oscillator
B. Amplifier
C. Switch
D. Both a and c
|
| 5 | Which of the following properties is not exhibited by X-rays. |
A. Interference
B. Diffraction
C. Polarization
D. Deflection of electric field
|
| 6 | The total number nucleons in a nucleus are called. |
A. Mass number
B. Atomic number
C. Neutron number
D. Isotopes
|
| 7 | The value of open loop gain for the amplifier is |
A. zero
B. very low
C. very high
D. of an intermediate vaue
|
| 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 | The SI unit of current gain is. |
A. Ampere
B. Ampere metre
C. Ampere volt
D. It has no unit
|
| 10 | Marie Curie and Pierre Curie discovered two new radioactive elements which are. |
A. Uranium and radkum
B. Platinum and radium
C. Polonium and radium
D. Crypton and radon
|
Test Questions