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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 given quantity remains the same in isotones.
Question # 2
48 days after the receipt the amount of iodine -131 left behind is only.
Question # 3
The gama rays have
Question # 4
X-rays are
Question # 5
The process of conversation of a photon into an electron and a position is called.
Question # 6
The half life of a radioactive substance depend on.
Question # 7
X-ray are
Question # 8
The helium nucleus does not contain
Question # 9
Which one among these contacts in a transistor is non rectifying.
Question # 10
An increase in frequency above threshold frequency results in.
Question # 11
The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.
Question # 12
Which uranium isotope having the atomic weights as given below is easily fissionable.
Question # 13
The 'x' in X-rays means
Question # 14
The SI unit of decay constant is.
Question # 15
The neutral atoms of all isotopes of the same element contain the same numbers of.
Question # 16
Radio carbon in the atmosphere is produced by the bombardment of.
Question # 17
X-rays used for
Question # 18
Ebers-Moll model describes the working of a
Question # 19
Which is the famous standard model of the universe.
Question # 20
Which type of radiation would be stopped completely by a thin piece of cardboard.
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
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Set 10
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Set 11
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Set 12
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Set 13
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Set 14
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Set 15
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Set 16
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Set 17
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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 | Lines of Balmer series are emitted by hydrogen atom when the electron jumps from |
A. The first orbit to any other orbit
B. Higher orbits to second orbit
C. Higher orbits to first orbit
D. The third orbit to higher orbit
|
| 2 | In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil. |
A. Atomic nuclei may contain neutrons
B. Atoms are electrically neutral
C. Atoms are largely empty space
D. Atoms have positively charged nuclei
|
| 3 | Which of the following properties is not exhibited by X-rays. |
A. Interference
B. Diffraction
C. Polarization
D. Deflection of electric field
|
| 4 | The SI unit of radioactivity is. |
A. Becquerl
B. Curie
C. Joule
D. rutherford
|
| 5 | In radiotherapy X-rays are used to. |
A. Treat cancer
B. Delect bone fracture
C. Cure heart diseasee
D. All of the above
|
| 6 | 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
|
| 7 | The most readily fissionable isotope of uranium has atomic mass of |
A. 234
B. 235
C. 236
D. 238
|
| 8 | Which of the following phenomenon is observed in obtaining an X ray photograph of our hand. |
A. Photoelectric effect
B. Zeeman effect
C. Shadow photography
D. Ionization
|
| 9 | Induced fission result from the absorption of |
A. electron
B. Proton
C. Nucleon
D. Neutron
|
| 10 | Both xenon and cesium each have |
A. 24 isotopes
B. 28 isotopes
C. 32 isotopes
D. 36 isotopes
|
Test Questions