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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
What is the basic advantage of class A operation of an amplifier.
Question # 2
One radian is equal to.
Question # 3
The critical mass of fissionable uranium -235 can be reduced by
Question # 4
x-rays cannot produce
Question # 5
The mass of proton is equal to.
Question # 6
On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.
Question # 7
How many types of quarks were suggested i 1964 quark theory.
Question # 8
Two electrons approach each other their relative velocity will be.
Question # 9
NOR gate is a combination of.
Question # 10
If we use two diodes and a centre tapped transformer we eill get
Question # 11
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 12
There are how many modes of operations of a BJT.
Question # 13
A logic circuit with one input and one output that inverts the input signal at the output is.
Question # 14
In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.
Question # 15
Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.
Question # 16
The SI unit of decay constant is.
Question # 17
Which particle has zero charge and zero rest mass.
Question # 18
LASER is a device which can produce.
Question # 19
X-rays used for
Question # 20
Positron are produced during.
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 | The unit of Rydberg constant R is |
A. m
B. m3
C. m-1
D. m-2
|
| 2 | The Inner electrons in heavy atoms can be disturbed and dislodged by. |
A. X rays
B. Alpha particle
C. Beta particles
D. gama particles
|
| 3 | Besides U 235 what else is needed for making as atomic bomb. |
A. Electons
B. Protons
C. Neutrons
D. Photons
|
| 4 | The change in wavelength of an X-ray when scattered from an electron is called. |
A. Compton shift
B. Doppler shift
C. Stefan's law
D. Fraunhofer lines
|
| 5 | 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
|
| 6 | Transistor are made from |
A. Plastics
B. Metals
C. Insulators
D. Doped semiconductors
|
| 7 | The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called. |
A. Nuclear stability
B. Radioactivity
C. Carbon dating
D. Spontaneously
|
| 8 | Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current. |
A. 1 mA
B. 100 mA
C. 98 mA
D. 110 mA
|
| 9 | The mass of an alpha particle is. |
A. 2 u
B. 4 u
C. 6 u
D. 8 u
|
| 10 | Which one of the following is a convenient energy unit to express the energy of sub atomic particles. |
A. Joule
B. electron volt
C. Watt
D. Curie
|
Test Questions
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