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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 half life of a radioactive substance as compared to its mean lif eis.
Question # 2
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 3
An oscillator is basically an amplifier with loop gain
Question # 4
The energy in an electromagnetic wave is carried in the units called.
Question # 5
LASER is a device which can produce.
Question # 6
Atomic reactor is based on
Question # 7
Which is the famous standard model of the universe.
Question # 8
Sub atomic particles which experience strong nuclear force are.
Question # 9
A CE amplifier with by passed emitter resistor is an example of.
Question # 10
What is the relativistic version of the Schrodinger equation.
Question # 11
The most convenient unit for energy at the atomic level is.
Question # 12
In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.
Question # 13
How many terminals does a BJT have.
Question # 14
The hyperfine lines in the spectrum relates to
Question # 15
Which of the following is not an electromagnetic wave.
Question # 16
The converse of pair production is
Question # 17
Why transistor is preferred to triode valve for use as an amplifier.
Question # 18
The X-rays coming from a X-rays tube
Question # 19
Critical mass is the minimum mass needed for
Question # 20
The two elements with same number of electrons but different mass number 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 | Nuclear force as compared to electrostatic force is. |
A. Weaker and long range
B. Weaker and short range
C. Stronger and longer range
D. Stronger and short range
|
| 2 | The tunnel effect makes possible |
A. Alpha decay
B. Gama rays
C. Positive Beta decay
D. negative Beta dacay
|
| 3 | The maximum K.E. with which photoelectrons are emitted depends very strongly on the. |
A. Intensity of incident light
B. Electric field near the photocathode
C. Frequency of incident light
D. Polarization of incident light
|
| 4 | The continuous X rays spectrum is due to an effect. |
A. Bremsstrahlung
B. Breaking radiation
C. Holography
D. both a and b
|
| 5 | Which particle is removed by a photon. |
A. Quark
B. Electron
C. Proton
D. Neutron
|
| 6 | The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as. |
A. Nuclear fission
B. nuclear fusion
C. Radioactivity
D. Carbon dating
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| 7 | The mass of an helium nucleus is equal to. |
A. 2.0015 u
B. 3.0015 u
C. 4.0015 u
D. 5.0015 u
|
| 8 | The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years. |
A. 0.5 g
B. 1.2 g
C. 3.0 g
D. 6.0 g
|
| 9 | Induced fission result from the absorption of |
A. electron
B. Proton
C. Nucleon
D. Neutron
|
| 10 | How positives feedback will effect an amplifier. |
A. Increases the voltage gain
B. Decreases the voltage gain
C. Imitates oscillation to occur
D. Damaged it
|
Test Questions