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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
Radioactivity is the phenomenon associated with the.
Question # 2
The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.
Question # 3
Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits
Question # 4
The converse of pair production is
Question # 5
X-rays used for
Question # 6
Negative feedback
Question # 7
The total number nucleons in a nucleus are called.
Question # 8
LASER beam my be measure very large distance because it is.
Question # 9
One gray is equal to.
Question # 10
The Beta particles move along.
Question # 11
In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.
Question # 12
The phenomenon of radioactivity is associated with
Question # 13
Which configuration is used to connect high impedance source to a low impedance lead.
Question # 14
The reciprocal of decay constant lamda of a radioactive substances is equal to.
Question # 15
An Alpha particle is the same as
Question # 16
When of the following radiations are not emitted by electron transitions in atoms.
Question # 17
Which particle is removed by a photon.
Question # 18
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 19
The unit of Rydberg constant R is
Question # 20
There are how many types of forces or interactions.
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 | In de Brogile model electron orbit must form |
A. Spectrum
B. Wave packets
C. Franhoffer lines
D. Clouds
|
| 2 | LASER is a device which can produce. |
A. Monochromatic beam of light
B. Coherent beam of light
C. An intense beam of light
D. All of the above
|
| 3 | The decimal equivalent of 1111 is |
A. 5
B. 10
C. 15
D. 120
|
| 4 | How many types of quarks were suggested i 1964 quark theory. |
A. Two
B. Three
C. Four
D. Five
|
| 5 | The exitance of more than one distinct state with the same energy is called. |
A. Exigency
B. Degeneracy
C. Normally
D. Emergency
|
| 6 | In electromagnetic spectrum X-rays are next to. |
A. Water waves
B. Radio waves
C. ultraviolet waves
D. Infrared waves
|
| 7 | Most widely used types of gas LASER are |
A. Neon
B. Argon ion
C. Helium
D. All of these
|
| 8 | Radioactive decay series can be represents on |
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper
|
| 9 | Work function is generally expressed in. |
A. Electron volt
B. Joules
C. Newtons
D. Gauss
|
| 10 | Which of the following circuits is used as local oscillator in radio receivers. |
A. AF oscillator
B. Phase Local Loop
C. RF oscillator
D. All of the above
|
Test Questions
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