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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
What is the relativistic version of the Schrodinger equation.
Question # 2
The Compton effect in X-rays proves that
Question # 3
An operational amplifier can be used as a
Question # 4
Which particle has zero charge and zero rest mass.
Question # 5
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 6
Which of the following is believed to be carrier o nuclear forces.
Question # 7
The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.
Question # 8
The energy of neutrons obtained during a fission reaction is.
Question # 9
The continuous X rays spectrum is due to an effect.
Question # 10
Which of the following wavelength lies in X-rays region.
Question # 11
Which given element has lowest work function
Question # 12
There are how many types of forces or interactions.
Question # 13
The half life of radium -226 is
Question # 14
Which particle interact via all fundamental forces.
Question # 15
Alpha particles are used for the treatment of skin of a patient due to.
Question # 16
The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
Question # 17
The mass of proton is equal to.
Question # 18
The energy equivalent of 1 kg of matter a
Question # 19
The rest mass of a particle is independent of the
Question # 20
The binding energy per nucleon for uranium is about.
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 phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as. |
A. Pair production
B. Pair annihilations
C. Photoelectric effect
D. Compton's effect
|
| 2 | An important property of an ideal power supply is. |
A. Infinite internal resistance
B. Zero internal resistance
C. Large output resistance
D. Small output resistance
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| 3 | The scientific theory concerning the coming into existence of universe. |
A. Cosmology
B. Cosmogony
C. Cosmography
D. Cosmos
|
| 4 | A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes |
A. Zero
B. Unity
C. Double of its rest mass
D. Infinity
|
| 5 | The molecular weight of D2O is |
A. 16
B. 18
C. 20
D. 24
|
| 6 | The result of the alpha particle scattering experiment gave evidence for which of the following. |
A. Nuclear fusion
B. Radio active decay
C. Existence of isotopes
D. Nuclear atom
|
| 7 | Which one among these contacts in a transistor is non rectifying. |
A. Base
B. Emitter
C. Collector
D. None of these
|
| 8 | X-rays travel with |
A. The speed of light
B. The speed of sound
C. The speed of 3,000 m s-1
D. The speed of 3,500 m s-1
|
| 9 | Which of the following is believed to be carrier o nuclear forces. |
A. Lepton
B. Meson
C. Bason
D. Baryon
|
| 10 | x-rays cannot produce |
A. Photoelectron
B. Compton electron
C. Electron positron pair
D. All of these
|
Test Questions
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