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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
When an object moves with a very high speed the length in the direction of motion.
Question # 2
The part of theory of relativity which deals with accelerated bodies is called.
Question # 3
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 4
Why hydrogen atom does not emit x-rays.
Question # 5
Cosmic rays mostly comprise of
Question # 6
One becquerel is equal to
Question # 7
What is the relativistic version of the Schrodinger equation.
Question # 8
Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.
Question # 9
Which of the following is not a mode of radioactive decay.
Question # 10
One gray is equal to.
Question # 11
Emitter follower amplifier is an example of.
Question # 12
The emission of electrons from a metal surface when exposed to light of suitable frequency is called.
Question # 13
An Alpha particle is the same as
Question # 14
The mass of proton is equal to.
Question # 15
The photons emitted in inner shell transition are.
Question # 16
What is the effect of electric and magnetic fields on X-rays
Question # 17
Push pull amplifiers employ
Question # 18
The binary equivalent of 25 is
Question # 19
White light a tungsten filament lamp is passed through sodium vapor and viewed through a diffraction gritting Which of the following best describes the spectrum which would be seen.
Question # 20
Which of the following can be used as an arrester in a nuclear reactor.
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
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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 emission of photons by a metal when electrons are incident is called. |
A. Photo electric effect
B. Pair production
C. X-rays production
D. Gama ray production
|
| 2 | In de Brogile model electron orbit must form |
A. Spectrum
B. Wave packets
C. Franhoffer lines
D. Clouds
|
| 3 | Hydrogen bomb is based on |
A. Controlled chain reaction
B. Uncontrolled chain reaction
C. Nuclear fusion
D. Nuclear fission
|
| 4 | Which both elements are good for nuclear fission. |
A. Thorium an uranium
B. Thorium and radium
C. Plutonium and uranium
D. Plutonium and throrium
|
| 5 | The mass of an helium nucleus is equal to. |
A. 2.0015 u
B. 3.0015 u
C. 4.0015 u
D. 5.0015 u
|
| 6 | The path of Gama rays in Wilson cloud chamber is |
A. Irregular
B. Dense and straight
C. Thin and continuous
D. Thin and discontinuous
|
| 7 | The continuous X rays spectrum is due to an effect. |
A. Bremsstrahlung
B. Breaking radiation
C. Holography
D. both a and b
|
| 8 | The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called. |
A. Nuclear stability
B. Radioactivity
C. Carbon dating
D. Spontaneously
|
| 9 | The band width of an audio amplifier is. |
A. 10 Hz to 10 kHz
B. 20 Hz to 54 Hz
C. 20 Hz to 20 kHz
D. 20 Hz to 60 kHz
|
| 10 | Which of the following configuration of BJTs gives both voltage gain and current gain. |
A. common Base
B. Common Emtter
C. Common collector
D. All of the above
|
Test Questions