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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 mass defect of Bohr's atomic model is
Question # 2
An increase in frequency above threshold frequency results in.
Question # 3
The Beta particles move along.
Question # 4
The continuous X rays spectrum is due to an effect.
Question # 5
Which of the following has the highest relative biological effectiveness or the quality factor.
Question # 6
Magnetic field does not cause deflection in
Question # 7
If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.
Question # 8
Which of the following is basic transistor configuration.
Question # 9
Which of the following is the most massive particle.
Question # 10
The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.
Question # 11
In a Nuclear reactor which material is often used as modeerator.
Question # 12
Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.
Question # 13
Which of the following is believed to be carrier o nuclear forces.
Question # 14
At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.
Question # 15
Most widely used types of gas LASER are
Question # 16
The maximum K.E. with which photoelectrons are emitted depends very strongly on the.
Question # 17
Which of the following are electromagnetic waves.
Question # 18
In radiotherapy X-rays are used to.
Question # 19
The most readily fissionable isotope of uranium has atomic mass of
Question # 20
The chemical behavior of an atom is determined by
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
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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
20 Questions
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Set 18
20 Questions
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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 half life of a radioactive element depends upon. |
A. Temperature
B. pressure
C. nature of element
D. quantity of the element
|
| 2 | Binding energy per nucleon is. |
A. Greatest for heavy nuclei
B. Least for heavy nuclei
C. Greatest for light nuclei
D. Greatest for medium weight nuclei
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| 3 | The molecular weight of D2O is |
A. 16
B. 18
C. 20
D. 24
|
| 4 | The binding energy per nucleon for uranium is about. |
A. 7.7 MeV
B. 9.6 MeV
C. 13.6 MeV
D. 21.6 MeV
|
| 5 | If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in. |
A. cut of mode
B. Amplification mode
C. Saturation mode
D. Inversion mode
|
| 6 | The electrons behave as waves, because they can . |
A. Produce ions in gases
B. Diffracted by a crystal
C. Be deflected by electric fields
D. Be deflected by magnetic fields
|
| 7 | As the mass number varies, which of the quantities does not change w.r.t nucleus. |
A. Mass
B. Volume
C. Binding energy
D. Density
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| 8 | In electromagnetic spectrum X-rays are next to. |
A. Water waves
B. Radio waves
C. ultraviolet waves
D. Infrared waves
|
| 9 | The Compton effect in X-rays proves that |
A. Electrons have wave property
B. x-rays have wave properly
C. X-rays have particle characteristics
D. Electrons cannot exist
|
| 10 | The helium nucleus does not contain |
A. Two electrons
B. Two neutrons
C. Two protons
D. Six nucleons
|
Test Questions