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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 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 # 2
When of the following radiations are not emitted by electron transitions in atoms.
Question # 3
The process of pair production will take place if the energy of photon is greater than
Question # 4
X-rays travel with
Question # 5
Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.
Question # 6
At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.
Question # 7
In scattering experiment which force scatters alpha particle.
Question # 8
In a cloud chamber the Alpha particles leave
Question # 9
X-rays are not used in RADARs because
Question # 10
The simple form of particle accelerator is.
Question # 11
A unijunction transistor
Question # 12
X-rays are
Question # 13
The half life of a radioactive substance as compared to its mean lif eis.
Question # 14
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 15
The gama rays have
Question # 16
Why FET amplifiers are called voltage controlled devices.
Question # 17
An oscillator is basically an amplifier with loop gain
Question # 18
Specially designed solid state detector can be used to detect.
Question # 19
In a nuclear reactor chani reaction is controlled by introducing.
Question # 20
Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
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 phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as. |
A. Pair production
B. Pair annihilations
C. Photoelectric effect
D. Compton's effect
|
| 2 | Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring. |
A. Time period
B. Frequency
C. Voltage gain
D. phase angle
|
| 3 | Which of the following phenomenon cannot be understood by quantum theory. |
A. Photo electric effect
B. Compton effect
C. X-Rays production
D. Interference
|
| 4 | Alpha particles are used for the treatment of skin of a patient due to. |
A. Highly ionizing power
B. Low penetration power
C. Positively charged particles
D. Helium nucler
|
| 5 | In the fusion process, there are |
A. Hydrogen isotopes
B. Helium Isotopes
C. Carbon isotopes
D. Oxygen isotopes
|
| 6 | The emission of Beta particle from protonium -218 results in the formation of. |
A. Protactinium -231
B. Thorium -232
C. Astatine -218
D. Radon -222
|
| 7 | The 'x' in X-rays means |
A. Xenon
B. Explosion
C. x for unknown
D. X makes the spot
|
| 8 | The radius of second orbit of hydrogen atom is |
A. 0.071 A
B. 0.142 A
C. 4.752 A
D. 9.5298 A
|
| 9 | One rem is equal to. |
A.
0.1 Sv
B. 0.01 Sv
C. 0.001 Sv
D. 0.0001 SV
|
| 10 | Which configuration is used to connect high impedance source to a low impedance lead. |
A. CE
B. CB
C. CC
D. BE
|
Test Questions
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