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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 half life of a radioactive substance depend on.
Question # 2
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
Question # 3
Which type of amplifier causes minimum drain of power supply.
Question # 4
Which particle interact via all fundamental forces.
Question # 5
The relationship between mass number atomic number and neutron number is.
Question # 6
For an electron or position the rest mass energy is equal to.
Question # 7
The unit of Rydberg constant R is
Question # 8
Which one of the following quantities is conserved in a nuclear reactor.
Question # 9
Nuclear force exists between
Question # 10
Which of the following is the most commonly used regions of operations for a transistor.
Question # 11
The term used for the emission of electrons when light strikes a surface.
Question # 12
The maximum energy of emitted photoelectron is measured by
Question # 13
Hydrogen bomb is based on
Question # 14
Which particle is removed by a photon.
Question # 15
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 16
Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.
Question # 17
X-rays are absorbed maximum by
Question # 18
Binding energy per nucleon is.
Question # 19
Which particle has zero charge and zero rest mass.
Question # 20
Which one among these contacts in a transistor is non rectifying.
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 | Why hydrogen atom does not emit x-rays. |
A. its size is very small
B. It contains only single electron
C. In it energy levels are for apart
D. In it energy levels are close to each other
|
| 2 | An operational amplifier can be used as a |
A. Comparator
B. Night switch
C. Inverting and non inverting amplifier
D. All of the above
|
| 3 | Which uranium isotope having the atomic weights as given below is easily fissionable. |
A. 234
B. 235
C. 236
D. 238
|
| 4 | Which of the following wavelength lies in X-rays region. |
A. 1 A
B. 100 A
C. 1,000 A
D. 10,000 A
|
| 5 | The process of pair production will take place if the energy of photon is greater than. |
A. 0.21 MeV
B. 0.51 MeV
C. 1.51 MeV
D. 1.21 MeV
|
| 6 | The helium nucleus does not contain |
A. Two electrons
B. Two neutrons
C. Two protons
D. Six nucleons
|
| 7 | The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as. |
A. Nuclear fission
B. nuclear fusion
C. Radioactivity
D. Carbon dating
|
| 8 | The exitance of more than one distinct state with the same energy is called. |
A. Exigency
B. Degeneracy
C. Normally
D. Emergency
|
| 9 | The most suitable material for moderator in a nuclear reactor is. |
A. B
B. Cd
C. D2O
D. Uranium
|
| 10 | As the mass number varies, which of the quantities does not change w.r.t nucleus. |
A. Mass
B. Volume
C. Binding energy
D. Density
|
Test Questions
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