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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
As the mass number increases, the binding energy per nucleon in a nucleus
Question # 2
Neutrino9 is a particle with
Question # 3
Marie Curie and Pierre Curie discovered two new radioactive elements which are.
Question # 4
Two electrons approach each other their relative velocity will be.
Question # 5
The unit of Rydberg constant R is
Question # 6
X-ray are
Question # 7
The electron behave an waves because
Question # 8
Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.
Question # 9
When an electron and a positron are annihilated, then number of protons produced is.
Question # 10
The half life of radium -226 is
Question # 11
Transistor are made from
Question # 12
The relationship between mass number atomic number and neutron number is.
Question # 13
X-rays are absorbed maximum by
Question # 14
Nuclear force exists between
Question # 15
Which of the following has greatest binding energy per nucleon.
Question # 16
Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.
Question # 17
Deuterium is
Question # 18
The continuous x rays spectrum is obtained due to
Question # 19
The energy in an electromagnetic wave is carried in the units called.
Question # 20
The change in wavelength of an X-ray when scattered from an electron is called.
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 | When of the following radiations are not emitted by electron transitions in atoms. |
A. Visible rays
B. Ultraviolet rays
C. Infrared radiations
D. Alpha particles
|
| 2 | LED is a p-n junction that emits |
A. Visible light
B. X- rays
C. Ultraviolet light
D. electromagnetic waves
|
| 3 | The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is. |
A. Directly proportional to n
B. Directly proportional to n2
C. Inversely proportional to n
D. Inversely proportional to n2
|
| 4 | In annitilation of matter, positron and electron pair disappears into two |
A. Alpha particles
B. Beta particles
C. Game particles
D. X-rays
|
| 5 | What is the scale for measurement of Banbridge mass spectrograph. |
A. Linear
B. Inverse
C. Exponential
D. Logarithmic
|
| 6 | 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. |
A. 25 g
B. 50 g
C. 75 g
D. 100 g
|
| 7 | When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called. |
A. Photons
B. Holes
C. Quants
D. Photo electrons
|
| 8 | Alpha particles are |
A. Helium nuclei
B. sodium nuclei
C. Ioized nuclei
D. Hydrogen nuclei
|
| 9 | According to Max. Planck, energy is released or absorbed in discrete packets called. |
A. quanta
B. Meson
C. Energy shells
D. Position
|
| 10 | A single quantum of electromagnetic radiation is termed as. |
A. Compton
B. Photon
C. Hyperon
D. Meson
|
Test Questions