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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
In annitilation of matter, positron and electron pair disappears into two
Question # 2
Current gain of a CE amplifier is 50, ITS hfe is about
Question # 3
The total number nucleons in a nucleus are called.
Question # 4
The maximum K.E of photo electrons depends upon
Question # 5
Marie Curie and Pierre Curie discovered two new radioactive elements which are.
Question # 6
In CC configuration voltage gain is.
Question # 7
When a platinum wire is heated of 1600 oC, it becomes
Question # 8
The SI unit of current gain is.
Question # 9
Mosley's law establishes the X-rays fluorescence of target element with is.
Question # 10
The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.
Question # 11
Why transistor is preferred to triode valve for use as an amplifier.
Question # 12
Radio carbon in the atmosphere is produced by the bombardment of.
Question # 13
Which of the following particles leave no trail in a cloud chamber.
Question # 14
The angle of scattering for which the Compton shift is maximum is.
Question # 15
Mosley's law establishes the x rays fluorescence's of target element with its.
Question # 16
Which of the following atom pair have the same structure.
Question # 17
The absorption of X-rays in a given material follows.
Question # 18
Induced fission result from the absorption of
Question # 19
Low frequency response of an amplifier is mainly limited by.
Question # 20
What is the basic advantage of class A operation of an amplifier.
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 | At high temperature a body generally emits redactions of. |
A. Small wavelengths
B. Long wavelengths
C. Moderates wavelengths
D. Zero wavelengths
|
| 2 | The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely. |
A. 12 years
B. 24 years
C. 48 years
D. infinity
|
| 3 | An AND gate is. |
A. Equivalent to a series switching circuit.
B. Equivalent to a parallel switching circuit
C. Equivalent ot universal gate
D. A reciprocal of NAND gate
|
| 4 | When transistor works as an amplifier, its output is. |
A. More
B. Less
C. Zero
D. Directly proportional to the input
|
| 5 | The path of Gama rays in Wilson cloud chamber is |
A. Irregular
B. Dense and straight
C. Thin and continuous
D. Thin and discontinuous
|
| 6 | The emission of photons by a metal when electrons are incident is called. |
A. Photo electric effect
B. Pair production
C. X-rays production
D. Gama ray production
|
| 7 | There are how many modes of operations of a BJT. |
A. 2
B. 3
C. 4
D. 5
|
| 8 | Critical mass is the minimum mass needed for |
A. Fusion
B. H-Bomb
C. Chain reaction
D. Binding energy
|
| 9 | Which one the following is not a component of a Bipolar junction Transistor |
A. Base
B. Emitter
C. Collector
D. Grid
|
| 10 | In annitilation of matter, positron and electron pair disappears into two |
A. Alpha particles
B. Beta particles
C. Game particles
D. X-rays
|
Test Questions