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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 angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.
Question # 2
Why is a capacitor resistor combination used in oscillators in grid circuit.
Question # 3
The energy equivalent of 1 kg of matter a
Question # 4
In order to reduce uncertainty in momentum one must use light of.
Question # 5
Which is the famous standard model of the universe.
Question # 6
Which one of the following has maximum frequency.
Question # 7
In annitilation of matter, positron and electron pair disappears into two
Question # 8
In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.
Question # 9
The capture of neutron by a proton results in the formation of.
Question # 10
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
Question # 11
Specially designed solid state detector can be used to detect.
Question # 12
Both xenon and cesium each have
Question # 13
Which given quantity remains the same in isotones.
Question # 14
The absorption of X-rays in a given material follows.
Question # 15
In fission reaction, heavy water is used as a
Question # 16
In the fusion process, there are
Question # 17
What are isotopes.
Question # 18
Which of the following atom pair have the same structure.
Question # 19
Which of the following radiations can penetrate 20 cm thick steel.
Question # 20
During transition, atom cannot emit
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 | Which of the following phenomenon cannot be understood by quantum theory. |
A. Photo electric effect
B. Compton effect
C. X-Rays production
D. Interference
|
| 2 | Alpha particles are used for the treatment of skin of a patient due to. |
A. Highly ionizing power
B. Low penetration power
C. Positively charged particles
D. Helium nucler
|
| 3 | An oscillator is basically an amplifier with loop gain |
A. Zero
B. Less than unity
C. More than unity
D. Infinity
|
| 4 | Alpha particles are |
A. Helium nuclei
B. sodium nuclei
C. Ioized nuclei
D. Hydrogen nuclei
|
| 5 | A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide. |
A. 1 hour
B. 1 day
C. 1 week
D. 1 month
|
| 6 | Which circuit elements has two stable states and can be used to store information. |
A. Flip flop or latch
B. Logic gate
C. Oscillator
D. Amplifier
|
| 7 | In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus. |
A. Radioactivity
B. Radioactivity dating
C. Nuclear fusion
D. Nuclear fission
|
| 8 | Radio carbon in the atmosphere is produced by the bombardment of. |
A. Oxygen by high energy neutrons
B. Oxygen by high energy protons
C. Nitrogen by high energy protons
D. Nitrogen by high energy neutrons
|
| 9 | In de Brogile model electron orbit must form |
A. Spectrum
B. Wave packets
C. Franhoffer lines
D. Clouds
|
| 10 | One rem is equal to. |
A.
0.1 Sv
B. 0.01 Sv
C. 0.001 Sv
D. 0.0001 SV
|
Test Questions