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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
An important property of an ideal power supply is.
Question # 2
Which of the following is deflected by an electric field.
Question # 3
In de Brogile model electron orbit must form
Question # 4
The half life of a radioactive substance depend on.
Question # 5
The reciprocal of decay constant lamda of a radioactive substances is equal to.
Question # 6
One becquerel is equal to
Question # 7
What will be excitation energy in the third orbit of hydrogen atom.
Question # 8
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 9
The value of open loop gain for the amplifier is
Question # 10
The reciprocal of decay constant lamda of a radioactive element is.
Question # 11
The necessary condition for nuclear fusion is.
Question # 12
In the experiment of production of X rays electrons are accelerated towards the anode by
Question # 13
The working of cloud chamber is based in the presence of.
Question # 14
The energy of neutrons obtained during a fission reaction is.
Question # 15
The tunnel effect makes possible
Question # 16
X-ray are
Question # 17
When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.
Question # 18
X-rays used for
Question # 19
When objects placed in a room are exposed to X- rays they appear
Question # 20
The particles equal in mass or greater than protons are called.
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 constant lamda is called the. |
A. Decay constant
B. Gas constant
C. Planck's constant
D. Dose constant
|
| 2 | The charge on a helium nucleus is equal to the charge of. |
A. Two electrons
B. Two protons
C. Two neutrons
D. One proton
|
| 3 | Which particle are not emitted by a radioactive substance. |
A. Alpha particles
B. Beta particles
C. Gama particles
D. Neutrons
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| 4 | The strength of photo electric current depends upon. |
A. Intensity of incident light
B. Frequency of incident light
C. Angle of incident light
D. Distance between anode and cathode
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| 5 | NOR gate is a combination of. |
A. OR gate and NOT gate
B. OR gate and AND gate
C. OR gate and OR gate
D. NOT gate and AND gate
|
| 6 | The helium nucleus does not contain |
A. Two electrons
B. Two neutrons
C. Two protons
D. Six nucleons
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| 7 | Which type of amplifier causes minimum drain of power supply. |
A. Class -A
B. Class -B
C. Class-C
D. Class -AB
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| 8 | The path of Gama rays in Wilson cloud chamber is |
A. Irregular
B. Dense and straight
C. Thin and continuous
D. Thin and discontinuous
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| 9 | Sub atomic paticles whihc does not experience strong nuclear force are. |
A. hadrons
B. Photons
C. Leptons
D. Nucleons
|
| 10 | Which of the following phenomenon cannot be understood by quantum theory. |
A. Photo electric effect
B. Compton effect
C. X-Rays production
D. Interference
|
Test Questions
