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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 of the following is not an electromagnetic wave.
Question # 2
One becquerel is equal to
Question # 3
How many terminals does a BJT have.
Question # 4
During transition, atom cannot emit
Question # 5
The nucleus of tritium is called.
Question # 6
The wavelength of X-rays is of the ofder of.
Question # 7
The continuous X rays spectrum is due to an effect.
Question # 8
In potential for the material of cathode pure metals are rarely used because of their
Question # 9
Matter waves
Question # 10
Which six particles and their antiparticles interact by the weak interaction.
Question # 11
According to Max. Planck, energy is released or absorbed in discrete packets called.
Question # 12
The converse of pair production is
Question # 13
LED is a p-n junction that emits
Question # 14
The absorption of X-rays in a given material follows.
Question # 15
The tunnel effect makes possible
Question # 16
Which circuit elements has two stable states and can be used to store information.
Question # 17
At what speed the mass of a body will be doubled.
Question # 18
Which of the following phenomenon cannot be understood by quantum theory.
Question # 19
The half life of a radioactive element depends upon.
Question # 20
The possible values of principal quantum number are.
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 | What is the quantitative description of the effect of radiation on the living tissue. |
A. Radiation dosimetry
B. Radioactive dating
C. Telemetry
D. Dosage
|
| 2 | A gama ray of energy 1900 MeV is absorbed by |
A. Proton antiproton pair
B. Electron positron pair
C. Producing heat in the substance
D. The orbit
|
| 3 | In a photocell, certain metals emit electrons for |
A. Visible light
B. X-rays
C. Infrared light
D. Ultraviolet light
|
| 4 | The mass of proton is equal to. |
A. 1.673 x 10-27 kg
B. 1.673 x 1027 kg
C. 9.1 x 10-31 kg
D. 9.1 x 1031 kg
|
| 5 | The maximum energy of emitted photoelectron is measured by |
A. the largest potential difference they can traverse
B. The current they produce
C. The potential difference they produce
D. The speed with they emerge
|
| 6 | There are how many modes of operations of a BJT. |
A. 2
B. 3
C. 4
D. 5
|
| 7 | Which of the following is invariant under Galilean transformation. |
A. Velocity
B. Impulse
C. Momentum
D. Distance
|
| 8 | The radius of first Bohr's orbit for hydrogen atom is. |
A. 0.53 m
B. 0.53 nm
C. 0.053 nm
D. 0.53 mm
|
| 9 | X-rays are not used in RADARs because |
A. They are not reflected by the target
B. they are not completely absorbed by air
C. They damage the target
D. They are reflected by the target
|
| 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