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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 'x' in X-rays means
Question # 2
The process by which nuclei emit a ,b and gama rays in order to attain stability is called.
Question # 3
Which of the following is required for maintaining sustained chain reaction.
Question # 4
Which particle are not emitted by a radioactive substance.
Question # 5
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 6
The critical mass of a fission reaction is.
Question # 7
The most abundant isotope of neon is.
Question # 8
The maximum K.E. with which photoelectrons are emitted depends very strongly on the.
Question # 9
Which given quantity remains the same in isotones.
Question # 10
During transition, atom cannot emit
Question # 11
A slow neutron can cause fission in
Question # 12
The half life of radium -226 is
Question # 13
Particle which can be added to the nucleus of an atom with changing its chemical properties are called.
Question # 14
When an object moves with a very high speed the length in the direction of motion.
Question # 15
In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.
Question # 16
The energy in an electromagnetic wave is carried in the units called.
Question # 17
The electron behave an waves because
Question # 18
When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.
Question # 19
From which radiation it is most difficult to protect oneslelf.
Question # 20
A transistor consists of.
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 reciprocal of decay constant lamda of a radioactive substances is equal to. |
A. total life
B. Half life
C. Mean life
D. Curie
|
| 2 | A logic circuit whose output signal is '1' when inputs are different is. |
A. NAND gate
B. NOR gate
C. Exclusive OR gate
D. Exclusive NOR gate
|
| 3 | The phenomenon of Compton's effect process that right has |
A. Wave nature
B. Particle nature
C. Dual nature
D. Corpuscular nature
|
| 4 | The scientific theory concerning the coming into existence of universe. |
A. Cosmology
B. Cosmogony
C. Cosmography
D. Cosmos
|
| 5 | The tunnel effect makes possible |
A. Alpha decay
B. Gama rays
C. Positive Beta decay
D. negative Beta dacay
|
| 6 | A photon is chasing an electron, whose speed is 0.9 c What is their relative speed. |
A. 0.1 C
B. C
C. 0.8 C
D. 0.9 C
|
| 7 | According to Max. Planck, energy is released or absorbed in discrete packets called. |
A. quanta
B. Meson
C. Energy shells
D. Position
|
| 8 | A slow neutron can cause fission in |
A. Uranium -238
B. Uranium-235
C. Hydrogen-1
D. Thorium -232
|
| 9 | In a transistor which one is very thin. |
A. Collector
B. Emitter
C. Base
D. Depletion region
|
| 10 | As oscillator is basically an amplifier with loop gain |
A. Zero
B. Infinity
C. Less than unity
D. More than unity
|
Test Questions
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