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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 process of conversation of a photon into an electron and a position is called.
Question # 2
When a platinum wire is heated of 1600 oC, it becomes
Question # 3
Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
Question # 4
When a helium atom loses an electron it becomes.
Question # 5
When objects placed in a room are exposed to X- rays they appear
Question # 6
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 7
Ebers-Moll model describes the working of a
Question # 8
Transistors with various combinations are widely used as switches in.
Question # 9
In an electronic transition atom cannot emit
Question # 10
The X-rays coming from a X-rays tube
Question # 11
The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
Question # 12
X-rays are not used in RADARs because
Question # 13
When an electron and a positron are annihilated, then number of protons produced is.
Question # 14
When using the formula E = h lambda what unit should energy have.
Question # 15
Alpha particles are
Question # 16
The particles less in mass than protons are
Question # 17
A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.
Question # 18
Deuterium is
Question # 19
Specially designed solid state detector can be used to detect.
Question # 20
If an object moves with velocity of light the apparent mass of the object as compared to list original mass is
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 | X-rays are |
A. Longitudinal wave
B. Transvers waves
C. Secondary waves
D. Fast sound waves
|
| 2 | Which type of amplifier causes minimum drain of power supply. |
A. Class -A
B. Class -B
C. Class-C
D. Class -AB
|
| 3 | At what speed the mass of a body will be doubled. |
A. 0.67 C
B. 0.77 C
C. 0.87 C
D. 0.97 C
|
| 4 | Which particle is removed by a photon. |
A. Quark
B. Electron
C. Proton
D. Neutron
|
| 5 | The binary equivalent of 25 is |
A. 111001
B. 11001
C. 1001
D. 10101
|
| 6 | The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as. |
A. Faraday energy
B. Wave number
C. Ionization Potential
D. Excitation potential
|
| 7 | Two electrons approach each other their relative velocity will be. |
A. Zero
B. c
C. c/2
D. Infinity
|
| 8 | A transistor can be used as |
A. Oscillator
B. Amplifier
C. Switch
D. Both a and c
|
| 9 | One rem is equal to. |
A.
0.1 Sv
B. 0.01 Sv
C. 0.001 Sv
D. 0.0001 SV
|
| 10 | The molecular weight of D2O is |
A. 16
B. 18
C. 20
D. 24
|
Test Questions