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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 example of continuous spectrum is.
Question # 2
Which given quantity remains the same in isotones.
Question # 3
When using the formula E = h lambda what unit should energy have.
Question # 4
Usually in an operational amplifier the inputs used are of
Question # 5
What is the basic advantage of class A operation of an amplifier.
Question # 6
The hyperfine lines in the spectrum relates to
Question # 7
In CE amplifier phased reversal occurs when the output voltage is taken between
Question # 8
The radius of second orbit of hydrogen atom is
Question # 9
A device used to determine mass of an isotope quite accurately is known as.
Question # 10
The mass of an helium nucleus is equal to.
Question # 11
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 12
The unit generally used for measuring astronomical distances is.
Question # 13
An emitter follower has
Question # 14
The process of conversation of a photon into an electron and a position is called.
Question # 15
The ionization energy for hydrogen atom is
Question # 16
At what speed the mass of a body will be doubled.
Question # 17
Which particles have spin quantum number 1/2
Question # 18
A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.
Question # 19
When a posirtron is emitted it causes.
Question # 20
The phenomenon of Compton's effect process that right has
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
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Set 13
20 Questions
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Set 14
20 Questions
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Set 15
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Set 16
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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 | How many terminals does a BJT have. |
A. 1
B. 2
C. 3
D. 4
|
| 2 | Which of the following wavelength lies in X-rays region. |
A. 1 A
B. 100 A
C. 1,000 A
D. 10,000 A
|
| 3 | In a fission reactor which particle causes a uranium -235 nucleus to split. |
A. Alpha particle
B. Gama ray
C. Neutron
D. Proton
|
| 4 | Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of. |
A. Archimede's principle.
B. Heisenberg uncertainty principle
C. Mosley's law
D. Schrodinger's wave equation
|
| 5 | The ionization potential of hydrogen atom is. |
A. 10.2 V
B. 13.6 V
C. 12.97 V
D. 27.2 V
|
| 6 | Which of the following phenomenon is observed in obtaining an X ray photograph of our hand. |
A. Photoelectric effect
B. Zeeman effect
C. Shadow photography
D. Ionization
|
| 7 | The back ground radiation in the atmosphere on the average is |
A. 0.5 Sv per year
B. 1.0 Sv per year
C. 1.5 Sv per year
D. 2.0 Sv per year
|
| 8 | Mosley's law establishes the X-rays fluorescence of target element with is. |
A. Atomic weight
B. Atomic number
C. Density
D. Lattice constant
|
| 9 | Which of the following properties is not exhibited by X-rays. |
A. Interference
B. Diffraction
C. Polarization
D. Deflection of electric field
|
| 10 | Magnetic field does not cause deflection in |
A. Alpha particle
B. Beta minus particles
C. Beta plus particles
D. Gama rays
|
Test Questions
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