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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
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 2
Which of the following properties is not exhibited by X-rays.
Question # 3
Which particle interact via all fundamental forces.
Question # 4
X-rays are
Question # 5
For the normal operation of transistor the emitter base junction is always.
Question # 6
When we pass a radiation from a radioactive material through an electric field.
Question # 7
One gray is equal to.
Question # 8
One becquerel is equal to
Question # 9
Which of the following is basic transistor configuration.
Question # 10
Phenomenon of radioactivity is due to disintegration of.
Question # 11
The best shield against Gama rays would be of
Question # 12
The most suitable material for moderator in a nuclear reactor is.
Question # 13
The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.
Question # 14
X-rays are not used in RADARs because
Question # 15
At what speed the mass of a body will be doubled.
Question # 16
Which one of the following quantities is conserved in a nuclear reactor.
Question # 17
A logic circuit with one input and one output that inverts the input signal at the output is.
Question # 18
Which particle is removed by a photon.
Question # 19
Radioactive substances do not emit
Question # 20
In a Nuclear reactor which material is often used as modeerator.
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 SI unit of current gain is. |
A. Ampere
B. Ampere metre
C. Ampere volt
D. It has no unit
|
| 2 | LED is a p-n junction that emits |
A. Visible light
B. X- rays
C. Ultraviolet light
D. electromagnetic waves
|
| 3 | What is the basic advantage of class A operation of an amplifier. |
A. It has high efficiency
B. It has high gain
C. It has low distortion
D. It has high distortion
|
| 4 | Photocells are used for |
A. Security systems
B. Counting systems
C. Automatic door system
D. All of the above
|
| 5 | Besides U 235 what else is needed for making as atomic bomb. |
A. Electons
B. Protons
C. Neutrons
D. Photons
|
| 6 | According to Max. Planck, energy is released or absorbed in discrete packets called. |
A. quanta
B. Meson
C. Energy shells
D. Position
|
| 7 | 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
|
| 8 | The process of conversation of a photon into an electron and a position is called. |
A. Pair annihilations
B. Pair production
C. Photoelectric effect
D. Compton effect
|
| 9 | The Rutherford atom according to classical theory is |
A. Stable
B. Unstable
C. Partially stable
D. Quantized
|
| 10 | X-rays spectrum may be |
A. Continuous spectrum
B. Discontinuous spectrum
C. Line spectrum
D. Continuous and line spectrum
|
Test Questions