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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 are particle accelerators.
Question # 2
A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.
Question # 3
Which particles have spin quantum number 1/2
Question # 4
A single quantum of electromagnetic radiation is termed as.
Question # 5
When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.
Question # 6
Which experiment confirmed the de Broglie hypothesis.
Question # 7
Which of the following radiations will burn human skin
Question # 8
Choose the one which acts as single inverter.
Question # 9
Which Isotopes is use din radioactive dating.
Question # 10
Which BJT configurations used for signal inversion.
Question # 11
In a nuclear reactor chani reaction is controlled by introducing.
Question # 12
The change in wavelength of an X-ray when scattered from an electron is called.
Question # 13
The Inner electrons in heavy atoms can be disturbed and dislodged by.
Question # 14
Tracer techniques make use of.
Question # 15
An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.
Question # 16
Radius of the Bother's orbit is r the radius of second orbit will be.
Question # 17
Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.
Question # 18
Special theory of relativity deals with the events in the frames of reference which move with constant.
Question # 19
Which temperature is required for the fusion of two nuclides.
Question # 20
Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
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 | The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called. |
A. Threshold frequency
B. work function
C. Wave number
D. Kinetic energy
|
| 2 | In a transistor which one is very thin. |
A. Collector
B. Emitter
C. Base
D. Depletion region
|
| 3 | The half life of uranium -238 is |
A. 1620 years
B. 4.5 x 109 years
C. 3-8 days
D. 23.5 minutes
|
| 4 | Atomic reactor is based on |
A. Controlled chain reaction
B. Uncontrolledly chain reaction
C. Nuclear fission
D. Nuclear fusion
|
| 5 | A slow neutron can cause fission in |
A. Uranium -238
B. Uranium-235
C. Hydrogen-1
D. Thorium -232
|
| 6 | A logic circuit with one input and one output that inverts the input signal at the output is. |
A. AND gate
B. NOT gate
C. OR gate
D. NOR gate
|
| 7 | The input resistance of a JFET is of the order of. |
A. 1 M Mega
B. 10 M Mega
C. 100 M Mega
D. 1,000 M Mega
|
| 8 | The most abundant isotope of neon is. |
A. Neon -20
B. Neon -21
C. Neon -22
D. Both a and c
|
| 9 | Isotopes are the atoms of the same elements which contain equal number of. |
A. Nucleus
B. Neutrons
C. Protons
D. Electrons
|
| 10 | As oscillator is basically an amplifier with loop gain |
A. Zero
B. Infinity
C. Less than unity
D. More than unity
|
Test Questions