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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
Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.
Question # 2
The value of principal quantum number for an ionized atom is.
Question # 3
Which configuration is used to connect high impedance source to a low impedance lead.
Question # 4
A single quantum of electromagnetic radiation is termed as.
Question # 5
X-rays are absorbed maximum by
Question # 6
The relationship between mass number atomic number and neutron number is.
Question # 7
An increase in frequency above threshold frequency results in.
Question # 8
An operational amplifier can be used as a
Question # 9
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 10
The possible values of principal quantum number are.
Question # 11
X-rays spectrum may be
Question # 12
Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.
Question # 13
The half life of a radioactive element depends upon.
Question # 14
X-rays used for
Question # 15
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 # 16
A solid state detector is basically
Question # 17
The critical mass of fissionable uranium -235 can be reduced by
Question # 18
The electrons behave as waves, because they can .
Question # 19
Binding energy per nucleon is.
Question # 20
When an object moves with a very high speed the length in the direction of motion.
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 | In a nuclear reactor chani reaction is controlled by introducing. |
A. Iron rods
B. Cadmium rods
C. Graphite rods
D. Platinum rods
|
| 2 | LASER is a device which can produce. |
A. Monochromatic beam of light
B. Coherent beam of light
C. An intense beam of light
D. All of the above
|
| 3 | When using the formula E = h lambda what unit should energy have. |
A. Joule
B. Watt second
C. Newton metre
D. Electron volt
|
| 4 | The particles equal in mass or greater than protons are called. |
A. Mesons
B. Bosons
C. Baryons
D. Nucleons
|
| 5 | A unijunction transistor |
A. Has only one junction
B. Is a two terminal device
C. Is fabricated from germanium
D. Is fabricated fromuranium
|
| 6 | One radian is equal to. |
A. 0.1 Gy
B. 0.01 Gy
C. 0.001 Gy
D. 0.0001 gy
|
| 7 | The radius of second orbit of hydrogen atom is |
A. 0.071 A
B. 0.142 A
C. 4.752 A
D. 9.5298 A
|
| 8 | What is the overall gain, if three amplifiers each with a gain of 30 are cacaded. |
A. 30
B. 90
C. 270
D. 27,000
|
| 9 | Which one the following is not a component of a Bipolar junction Transistor |
A. Base
B. Emitter
C. Collector
D. Grid
|
| 10 | The electron behave an waves because |
A. They can be diffracted by a crystal
B. They can produce ions in gases
C. They can be deflected by magnetic field
D. They can be deflected by electric field
|
Test Questions