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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 usefulness of X rays is largely due to their
Question # 2
In the experiment of production of X rays electrons are accelerated towards the anode by
Question # 3
Isotopes are the atoms of the same elements which contain equal number of.
Question # 4
Which particle are not emitted by a radioactive substance.
Question # 5
Half life and mean lifetime of a radioactive element are.
Question # 6
the alpha particle does not travel for enough in air.
Question # 7
Which of the following is not a mode of radioactive decay
Question # 8
The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.
Question # 9
Binding energy per nucleon is.
Question # 10
A spectroscope sorts out
Question # 11
When of the following radiations are not emitted by electron transitions in atoms.
Question # 12
Which particle interact via all fundamental forces.
Question # 13
In annitilation of matter, positron and electron pair disappears into two
Question # 14
The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.
Question # 15
An operational amplifier can be used as a
Question # 16
The Rutherford atom according to classical theory is
Question # 17
Alpha particles are used for the treatment of skin of a patient due to.
Question # 18
In an electronic transition atom cannot emit
Question # 19
Which of the following wavelength lies in X-rays region.
Question # 20
Which one of the following has the largest wavelength.
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 | What is the quantitative description of the effect of radiation on the living tissue. |
A. Radiation dosimetry
B. Radioactive dating
C. Telemetry
D. Dosage
|
| 2 | 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. |
A. 2 mg
B. 4 mg
C. 8 mg
D. 18 mg
|
| 3 | The SI unit of decay constant is. |
A. m
B. m-1
C. s-1
D. N m-1
|
| 4 | The molecular weight of D2O is |
A. 16
B. 18
C. 20
D. 24
|
| 5 | X-rays are |
A. Longitudinal wave
B. Transvers waves
C. Secondary waves
D. Fast sound waves
|
| 6 | Which one among these contacts in a transistor is non rectifying. |
A. Base
B. Emitter
C. Collector
D. None of these
|
| 7 | The unit generally used for measuring astronomical distances is. |
A. Parsecs
B. Light year
C. Metre
D. Kilometer
|
| 8 | What is the scale for measurement of Banbridge mass spectrograph. |
A. Linear
B. Inverse
C. Exponential
D. Logarithmic
|
| 9 | Which one of the following quantities is conserved in a nuclear reactor. |
A. Energy only
B. Mass only
C. Momentum only
D. Mass energy and momentum
|
| 10 | For the normal operation of transistor the emitter base junction is always. |
A. Zero biased
B. Reverse biased
C. Forward bised
D. Both a and b
|
Test Questions
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