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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
Which given element has lowest work function
Question # 2
Why is a capacitor resistor combination used in oscillators in grid circuit.
Question # 3
Work function is generally expressed in.
Question # 4
The bunding energy per nucleon for iron is.
Question # 5
Which type of amplifier causes minimum drain of power supply.
Question # 6
A transistor consists of.
Question # 7
How many terminals does a BJT have.
Question # 8
The electrons behave as waves, because they can .
Question # 9
Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.
Question # 10
Which of the following wavelength lies in X-rays region.
Question # 11
Magnetic field does not cause deflection in
Question # 12
Mosley's law establishes the X-rays fluorescence of target element with is.
Question # 13
The charge on a helium nucleus is equal to the charge of.
Question # 14
X-rays are also used for
Question # 15
As the mass number varies, which of the quantities does not change w.r.t nucleus.
Question # 16
The angle of scattering for which the Compton shift is maximum is.
Question # 17
Which of the following is not an electromagnetic wave.
Question # 18
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 19
The mass of proton is equal to.
Question # 20
At what speed the mass of a body will be doubled.
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 | Work function is generally expressed in. |
A. Electron volt
B. Joules
C. Newtons
D. Gauss
|
| 2 | If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes. |
A. Larger
B. Smaller
C. Zero
D. Infinity
|
| 3 | Which of the following is not an electromagnetic wave. |
A. game rays
B. Ultraviolet rays
C. Ultrasonic waves
D. Microwaves
|
| 4 | A darling ion amplifier is characterized by |
A. High voltage and current gain
B. High input resistance and current gain
C. High output resistant and current gain
D. Low input resistance and current gain
|
| 5 | The continuous X rays spectrum is due to an effect. |
A. Bremsstrahlung
B. Breaking radiation
C. Holography
D. both a and b
|
| 6 | The absorption of X-rays in a given material follows. |
A. A parabola path
B. Is straight line
C. An exponential curve
D. A circle
|
| 7 | Which of the following is not a mode of radioactive decay |
A. Nuclear fusion
B. Alpha decay
C. Electron capture
D. Positron emission
|
| 8 | The electrons behave as waves, because they can . |
A. Produce ions in gases
B. Diffracted by a crystal
C. Be deflected by electric fields
D. Be deflected by magnetic fields
|
| 9 | An example of continuous spectrum is. |
A. Black body radiation spectrum
B. Molecular spectra
C. Atomic spectra
D. All of the above
|
| 10 | The simple form of particle accelerator is. |
A. Cathode ray tube
B. Oscillator
C. Amplifier
D. Phase locked loop
|
Test Questions