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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 will be excitation energy in the third orbit of hydrogen atom.
Question # 2
Alpha particles emitted from a radioactive material are.
Question # 3
Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.
Question # 4
The SI unit of equivalent dose is
Question # 5
The value of principal quantum number for an ionized atom is.
Question # 6
The half life of uranium -238 is
Question # 7
Which of the following properties is not exhibited by X-rays.
Question # 8
Emitter follower amplifier is an example of.
Question # 9
In a cloud chamber the Alpha particles leave
Question # 10
An example of continuous spectrum is.
Question # 11
Hydrogen bomb is based on
Question # 12
The path of Gama rays in Wilson cloud chamber is
Question # 13
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.
Question # 14
In a Nuclear reactor which material is often used as modeerator.
Question # 15
The unit of Rydberg constant R is
Question # 16
During the alpha decay process
Question # 17
Lines of Balmer series are emitted by hydrogen atom when the electron jumps from
Question # 18
Which of the following radiations will burn human skin
Question # 19
X-rays spectrum may be
Question # 20
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
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 | Negative feedback |
A. Increases stability
B. Decreases stability
C. Produces oscillatory
D. Cannot occur
|
| 2 | The ionization potential of hydrogen atom is. |
A. 10.2 V
B. 13.6 V
C. 12.97 V
D. 27.2 V
|
| 3 | 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
|
| 4 | The energy equivalent of 1 kg of matter a |
A. 10-15 J
B. 1 J
C. 1012J
D. 1017 J
|
| 5 | Usually in an operational amplifier the inputs used are of |
A. Equal voltage and same polarity
B. Equal voltage and opposite polarity
C. Different voltage and same polarity
D. Different voltage and opposite polarity
|
| 6 | The number of electrons in U nucleus are. |
A. 92
B. 235
C. zero
D. 143
|
| 7 | The most readily fissionable isotope of uranium has atomic mass of |
A. 234
B. 235
C. 236
D. 238
|
| 8 | Which particle has zero charge and zero rest mass. |
A. Neutron
B. Proton
C. Electron
D. Photon
|
| 9 | Why transistor is preferred to triode valve for use as an amplifier. |
A. Because it can handle large power
B. Because it has higher input impedance
C. Because it has higher voltage gain
D. Because it has lower voltage gain
|
| 10 | A photon is chasing an electron, whose speed is 0.9 c What is their relative speed. |
A. 0.1 C
B. C
C. 0.8 C
D. 0.9 C
|
Test Questions
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