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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
Which of the following wavelength lies in X-rays region.
Question # 2
Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
Question # 3
When objects placed in a room are exposed to X- rays they appear
Question # 4
Among different elements of the periodic table which of the following atoms is the simplest.
Question # 5
The most abundant isotope of neon is.
Question # 6
Low frequency response of an amplifier is mainly limited by.
Question # 7
The ionization energy for hydrogen atom is
Question # 8
Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.
Question # 9
X-rays are not used in RADARs because
Question # 10
Photocells are used for
Question # 11
Matter waves
Question # 12
The potential due to which an electron is lifted from gerund state to excited state is.
Question # 13
The most familiar example of radioactive dating is.
Question # 14
If we use two diodes and a centre tapped transformer we eill get
Question # 15
Which one of the following is a convenient energy unit to express the energy of sub atomic particles.
Question # 16
Which given quantity remains the same in isotones.
Question # 17
the gain of an amplifier is independent of
Question # 18
During transition, atom cannot emit
Question # 19
The transition of inner shell electrons in heavy atoms gives rise to the emission of.
Question # 20
The SI unit of absorbed dose in.
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
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Set 9
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Set 10
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Set 11
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Set 12
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Set 13
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Set 14
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Set 15
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Set 16
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Set 17
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Set 18
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Set 19
20 Questions
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Set 20
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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 | At what speed the mass of a body will be doubled. |
A. 0.67 C
B. 0.77 C
C. 0.87 C
D. 0.97 C
|
| 2 | One rem is equal to. |
A.
0.1 Sv
B. 0.01 Sv
C. 0.001 Sv
D. 0.0001 SV
|
| 3 | Which temperature is required for the fusion of two nuclides. |
A. 106 K
B. 107 K
C. 10 8 K
D. 10 9 K
|
| 4 | As oscillator is basically an amplifier with loop gain |
A. Zero
B. Infinity
C. Less than unity
D. More than unity
|
| 5 | Deuterium is |
A. A transuranic element
B. A type o cosmic particle
C. An isotope of hydrogen
D. An isotope of helium
|
| 6 | The photons emitted in inner shell transition are. |
A. Alpha particle
B. Beta particle
C. Gama particle
D. Characteristic X-rays
|
| 7 | The electrons behave as wave because. |
A. They can be diffracted by a crystal
B. They can be defecting by magnetic field
C. They can be deflecting by electric field
D. they can produce ions in gases
|
| 8 | The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as. |
A. Zeeman's effect
B. Photoelectric effect
C. Compton's effect
D. Annihilation of matter
|
| 9 | In a Nuclear reactor which material is often used as modeerator. |
A. Water
B. Graphite
C. Uranium
D. Water and graphite
|
| 10 | What is the relativistic version of the Schrodinger equation. |
A. Klein Gordon equation
B. Laplace equation
C. Quadratic equation
D. Binomial equation.
|
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