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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
Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
Question # 2
Which of the following radiations will burn human skin
Question # 3
X-ray are
Question # 4
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 # 5
A gama ray of energy 1900 MeV is absorbed by
Question # 6
Which configuration is used to connect high impedance source to a low impedance lead.
Question # 7
The advantage of electron tube over a transistor is.
Question # 8
Transistors with various combinations are widely used as switches in.
Question # 9
The electron behave an waves because
Question # 10
Which temperature is required for the fusion of two nuclides.
Question # 11
A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.
Question # 12
The Beta particles move along.
Question # 13
The continuous x rays spectrum is obtained due to
Question # 14
The unit generally used for measuring astronomical distances is.
Question # 15
The process of conversation of a photon into an electron and a position is called.
Question # 16
Work function is generally expressed in.
Question # 17
The chain reaction is controlled by a series of rods usually made of.
Question # 18
The transition of inner shell electrons in heavy atoms gives rise to the emission of.
Question # 19
A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is
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 | 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
|
| 2 | The path of Gama rays in Wilson cloud chamber is |
A. Irregular
B. Dense and straight
C. Thin and continuous
D. Thin and discontinuous
|
| 3 | A gama ray of energy 1900 MeV is absorbed by |
A. Proton antiproton pair
B. Electron positron pair
C. Producing heat in the substance
D. The orbit
|
| 4 | Which Isotopes is use din radioactive dating. |
A. C12
B. C13
C. C14
D. C16
|
| 5 | In order to reduce uncertainty in momentum one must use light of. |
A. Short wavelength
B. Large wavelength
C. Wavelength of intermediate value
D. Wavelength of any value
|
| 6 | The energy in an electromagnetic wave is carried in the units called. |
A. Protons
B. Electrons
C. Neutrons
D. Nucleus
|
| 7 | Which of the following detectors can count fast and operate at low voltage. |
A. G.M Counter
B. Cloud chamber
C. Solid state detector
D. Bubble chamber
|
| 8 | The continuous x rays spectrum is obtained due to |
A. Deceleration of impact electrons
B. Breaking potential
C. Excitation potential
D. Ionization potential
|
| 9 | The resistance between(+) and (-) inputs of an amplifier is. |
A. Zero
B. Low
C. High
D. Infinity
|
| 10 | If we use two diodes and a centre tapped transformer we eill get |
A. Transistor
B. Amplifier
C. Half wave rectifier
D. Full wave rectifier
|
Test Questions