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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
Which of the following is not a mode of radioactive decay
Question # 2
In electromagnetic spectrum X-rays are next to.
Question # 3
Besides U 235 what else is needed for making as atomic bomb.
Question # 4
The usefulness of X rays is largely due to their
Question # 5
Which given quantity remains the same in isotones.
Question # 6
Nuclear force as compared to electrostatic force is.
Question # 7
The decimal equivalent of 1111 is
Question # 8
The critical mass of fissionable uranium -235 can be reduced by
Question # 9
Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.
Question # 10
For the normal operation of transistor the emitter base junction is always.
Question # 11
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.
Question # 12
The total energy of an electron in an orbit around the nucleus is.
Question # 13
The total energy of the hydrogen atom is
Question # 14
An operational amplifier can be used as a
Question # 15
Which of the following is the most commonly used regions of operations for a transistor.
Question # 16
The back ground radiation in the atmosphere on the average is
Question # 17
The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.
Question # 18
Which of the following has the highest relative biological effectiveness or the quality factor.
Question # 19
In CC configuration voltage gain is.
Question # 20
The charge on a helium nucleus is equal to the charge of.
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 | Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits |
A. Radiowaves
B. Alpha particles
C. Beta particles
D. gama particles
|
| 2 | The process of energy generation in sun and stars is. |
A. Fusion of heavy nuclei
B. fusion of light nuclei
C. Fission of light nuclei
D. Solar panels
|
| 3 | The total number nucleons in a nucleus are called. |
A. Mass number
B. Atomic number
C. Neutron number
D. Isotopes
|
| 4 | The neutral atoms of all isotopes of the same element contain the same numbers of. |
A. Electrons and protons
B. Electrons and neutrons
C. Neutrons
D. Neutrons and protons
|
| 5 | Radioactive substances do not emit |
A. Alpha particles
B. Beta particles
C. Gama rays
D. Neutrons
|
| 6 | How much large is the proton mass than the electron mass. |
A. 1536
B. 1636
C. 1736
D. 1836
|
| 7 | The maximum energy of emitted photoelectron is measured by |
A. the largest potential difference they can traverse
B. The current they produce
C. The potential difference they produce
D. The speed with they emerge
|
| 8 | Which quantity remains fixed in isobars. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
| 9 | Which of the following is not a mode of radioactive decay |
A. Nuclear fusion
B. Alpha decay
C. Electron capture
D. Positron emission
|
| 10 | Which of the following is not a mode of radioactive decay. |
A. Positron emission
B. Electron capture
C. Fusion reaction
D. A decay
|
Test Questions
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