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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
X-rays are not used in RADARs because
Question # 2
The half life of a radioactive substance as compared to its mean lif eis.
Question # 3
The energy of neutrons obtained during a fission reaction is.
Question # 4
The value of principal quantum number for an ionized atom is.
Question # 5
Which of the following wavelength lies in X-rays region.
Question # 6
The bunding energy per nucleon for iron is.
Question # 7
In CC configuration voltage gain is.
Question # 8
The critical mass of fissionable uranium -235 can be reduced by
Question # 9
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 # 10
During the alpha decay process
Question # 11
In the fusion process, there are
Question # 12
One becquerel is equal to
Question # 13
The Rutherford atom according to classical theory is
Question # 14
According to Max. Planck, energy is released or absorbed in discrete packets called.
Question # 15
Sub atomic particles which experience strong nuclear force are.
Question # 16
The necessary condition for nuclear fusion is.
Question # 17
Which of the following circuits is used as local oscillator in radio receivers.
Question # 18
Nuclear force exists between
Question # 19
Critical mass is the minimum mass needed for
Question # 20
Current gain of a CE amplifier is 50, ITS hfe is about
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
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Set 11
20 Questions
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Set 12
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Set 13
20 Questions
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Set 14
20 Questions
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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 | The reciprocal of decay constant lamda of a radioactive substances is equal to. |
A. total life
B. Half life
C. Mean life
D. Curie
|
| 2 | The two elements with same number of electrons but different mass number are called. |
A. Isotones
B. Isobars
C. Isotopes
D. Isomers
|
| 3 | Transistors with various combinations are widely used as switches in. |
A. electric generators
B. Rectificers
C. Amplifiers
D. Computers
|
| 4 | If an object moves with velocity of light the apparent mass of the object as compared to list original mass is |
A. greater
B. Smaller
C. Same
D. zero
|
| 5 | Which temperature is required for the fusion of two nuclides. |
A. 106 K
B. 107 K
C. 10 8 K
D. 10 9 K
|
| 6 | Deuterium is |
A. A transuranic element
B. A type o cosmic particle
C. An isotope of hydrogen
D. An isotope of helium
|
| 7 | Which of the following is not a mode of radioactive decay. |
A. Positron emission
B. Electron capture
C. Fusion reaction
D. A decay
|
| 8 | The radius of first Bohr's orbit for hydrogen atom is. |
A. 0.53 m
B. 0.53 nm
C. 0.053 nm
D. 0.53 mm
|
| 9 | Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring. |
A. Time period
B. Frequency
C. Voltage gain
D. phase angle
|
| 10 | A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide. |
A. 1 hour
B. 1 day
C. 1 week
D. 1 month
|
Test Questions