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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 path of electron in Rutherford atomic model according to classical theory a.
Question # 2
The binding energy per nucleon for uranium is about.
Question # 3
Why hydrogen atom does not emit x-rays.
Question # 4
The half life of a radioactive element depends upon.
Question # 5
The Inner electrons in heavy atoms can be disturbed and dislodged by.
Question # 6
The critical mass of a fission reaction is.
Question # 7
Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.
Question # 8
One radian is equal to.
Question # 9
The division and germier experiment relates to
Question # 10
The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.
Question # 11
At what speed the mass of a body will be doubled.
Question # 12
the wavelength of continuous X-rays is inversely proportional to.
Question # 13
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
Question # 14
The molecular weight of D2O is
Question # 15
One particle having zero mass and zero charge is.
Question # 16
Why is a capacitor resistor combination used in oscillators in grid circuit.
Question # 17
A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is
Question # 18
The maximum K.E of photo electrons depends upon
Question # 19
There are how many modes of operations of a BJT.
Question # 20
Which of the following radiations can penetrate 20 cm thick steel.
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 | In order to reduce uncertainty in momentum one must use light of. |
A. Short wavelength
B. Large wavelength
C. Wavelength of intermediate value
D. Wavelength of any value
|
| 2 | Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits |
A. Radiowaves
B. Alpha particles
C. Beta particles
D. gama particles
|
| 3 | In heavy atims the electrons are assumed to be arranged in. |
A. Elliptical shells
B. Inner shells
C. Concentric shells
D. Outer shells
|
| 4 | Which one of the following is a neutron absorber |
A. Pb
B. Cd
C. Cu
D. Ag
|
| 5 | The change in wavelength of an X-ray when scattered from an electron is called. |
A. Compton shift
B. Doppler shift
C. Stefan's law
D. Fraunhofer lines
|
| 6 | The relationship between mass number atomic number and neutron number is. |
A. A = Z + N
B. A = Z - N
C. Z = A + N
D. N = Z - A
|
| 7 | Why is a capacitor resistor combination used in oscillators in grid circuit. |
A. To generate oscillation
B. To bias the grid automatically
C. To amplify oscillations
D. To sustain the oscillations.
|
| 8 | The scientific theory concerning the coming into existence of universe. |
A. Cosmology
B. Cosmogony
C. Cosmography
D. Cosmos
|
| 9 | The resistance between(+) and (-) inputs of an amplifier is. |
A. Zero
B. Low
C. High
D. Infinity
|
| 10 | The nucleus of tritium is called. |
A. Proton
B. Triton
C. Deuleron
D. Positron
|
Test Questions
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