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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
Work function is generally expressed in.
Question # 2
LASER is a device which can produce.
Question # 3
The chemical behavior of an atom is determined by
Question # 4
The particles equal in mass or greater than protons are called.
Question # 5
As oscillator is basically an amplifier with loop gain
Question # 6
The angle of scattering for which the Compton shift is maximum is.
Question # 7
Which both elements are good for nuclear fission.
Question # 8
The input exultation for a JFET is
Question # 9
The energy equivalent of 1 kg of matter a
Question # 10
In n-p-n transistor the current flows in the direction from
Question # 11
The working of cloud chamber is based in the presence of.
Question # 12
In CE amplifier phased reversal occurs when the output voltage is taken between
Question # 13
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 # 14
How many types of quarks were suggested i 1964 quark theory.
Question # 15
In a photocell, certain metals emit electrons for
Question # 16
Which given quantity remains the same in isotones.
Question # 17
Which of the following has the highest relative biological effectiveness or the quality factor.
Question # 18
The change in wavelength of an X-ray when scattered from an electron is called.
Question # 19
The division and germier experiment relates to
Question # 20
When a platinum wire is heated of 1600 oC, it becomes
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
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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
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Set 19
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Set 20
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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 wavelength of continuous X-rays is inversely proportional to. |
A. Intensity of incident electron beam
B. Temperature of the target
C. Intensity of X-rays
D. The energy of electrons striking the target
|
| 2 | Which of the following is required for maintaining sustained chain reaction. |
A. Neutrons
B. Protons
C. Electrons
D. Photons
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| 3 | A gama ray of energy 1900 MeV is absorbed by |
A. Proton antiproton pair
B. Electron positron pair
C. Producing heat in the substance
D. The orbit
|
| 4 | In a transistor which one is very thin. |
A. Collector
B. Emitter
C. Base
D. Depletion region
|
| 5 | When an object moves with a very high speed the length in the direction of motion. |
A. Contracts
B. Expands
C. Remains the same
D. Becomes infinity
|
| 6 | The wavelength of X-rays is of the ofder of. |
A. 10-14 m
B. 10-10 m
C. 10-9 m
D. 10-6 m
|
| 7 | One radian is equal to. |
A. 0.1 Gy
B. 0.01 Gy
C. 0.001 Gy
D. 0.0001 gy
|
| 8 | Compton scattering experiment seemed to indicate that radiation had |
A. Wave nature
B. Particle nature
C. Wave particle nature
D. X-rays nature
|
| 9 | The critical mass of fissionable uranium -235 can be reduced by |
A. Adding impurities to it
B. Heating the material
C. surrounding it by neutron reflecting material
D. Surrounding it by neutron absorbing material
|
| 10 | Neutrino9 is a particle with |
A. Charge less property and has no spin
B. Charge less property and has spin
C. Charge less like electron and has spin
D. The same property as neutron
|
Test Questions