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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 configuration of BJTs gives both voltage gain and current gain.
Question # 2
An AND gate is.
Question # 3
Induced fission result from the absorption of
Question # 4
Lines of Balmer series are emitted by hydrogen atom when the electron jumps from
Question # 5
When of the following radiations are not emitted by electron transitions in atoms.
Question # 6
The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.
Question # 7
The 'x' in X-rays means
Question # 8
Besides U 235 what else is needed for making as atomic bomb.
Question # 9
A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is
Question # 10
The wavelength of X-rays is of the ofder of.
Question # 11
At what speed the mass of a body will be doubled.
Question # 12
Which of the following is not a mode of radioactive decay.
Question # 13
A logic circuit with one input and one output that inverts the input signal at the output is.
Question # 14
The mass of an alpha particle is.
Question # 15
Why FET amplifiers are called voltage controlled devices.
Question # 16
Ebers-Moll model describes the working of a
Question # 17
Which of the following radiations will burn human skin
Question # 18
Two electrons approach each other their relative velocity will be.
Question # 19
Which one the following is not a component of a Bipolar junction Transistor
Question # 20
The SI unit of equivalent dose 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
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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
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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 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
|
| 2 | The change in wavelength of an X-ray when scattered from an electron is called. |
A. Compton shift
B. Doppler shift
C. Stefan's law
D. Fraunhofer lines
|
| 3 | When a posirtron is emitted it causes. |
A. Mass number to increase by one
B. mass number to decrease by one
C. Atomic number to decrease by one
D. Atomic number to increase by one
|
| 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 | When an electron and a positron are annihilated, then number of protons produced is. |
A. 1
B. 2
C. 3
D. 4
|
| 6 | 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
|
| 7 | In n-p-n transistor the current flows in the direction from |
A. Emitter to base
B. emitter to collector
C. Base to emitter
D. Base to collector
|
| 8 | Which of the following is the most massive particle. |
A. Deuteron
B. Alpha particle
C. Neutron
D. positron
|
| 9 | x-rays cannot produce |
A. Photoelectron
B. Compton electron
C. Electron positron pair
D. All of these
|
| 10 | Two electrons approach each other their relative velocity will be. |
A. Zero
B. c
C. c/2
D. Infinity
|
Test Questions
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