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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 particle are not emitted by a radioactive substance.
Question # 2
Hydrogen bomb is based on
Question # 3
The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.
Question # 4
A device used to determine mass of an isotope quite accurately is known as.
Question # 5
Which of the following circuits is used as local oscillator in radio receivers.
Question # 6
The change in wavelength of an X-ray when scattered from an electron is called.
Question # 7
The process of conversation of a photon into an electron and a position is called.
Question # 8
Isotopes are the atoms of the same elements which contain equal number of.
Question # 9
Cosmic rays mostly comprise of
Question # 10
Induced fission result from the absorption of
Question # 11
A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is
Question # 12
The most familiar example of radioactive dating is.
Question # 13
Which of the following phenomenon cannot be understood by quantum theory.
Question # 14
In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.
Question # 15
Which of the following is formed by decay of a free neurton.
Question # 16
The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.
Question # 17
Which of the following detectors can count fast and operate at low voltage.
Question # 18
Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.
Question # 19
Which of the following is the most massive particle.
Question # 20
When a posirtron is emitted it causes.
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
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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 -
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M Muhammad Ahsaan 26 - Aug - 2022 10 Min 12 Sec 13/20 -
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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 path of electron in Rutherford atomic model according to classical theory a. |
A. Parabolic
B. Straight line
C. Spiral
D. Circular
|
| 2 | Which one of the following is a convenient energy unit to express the energy of sub atomic particles. |
A. Joule
B. electron volt
C. Watt
D. Curie
|
| 3 | When Be is bombarded by alpha particles, then we obtain |
A. electron
B. Proton
C. Positron
D. Neutron
|
| 4 | The total energy of the hydrogen atom is |
A. zero
B. Infinite
C. positive
D. Negative
|
| 5 | What will be excitation energy in the third orbit of hydrogen atom. |
A. 0.66 eV
B. 0.85 eV
C. 1.5 eV
D. 5.4 eV
|
| 6 | An example of continuous spectrum is. |
A. Black body radiation spectrum
B. Molecular spectra
C. Atomic spectra
D. All of the above
|
| 7 | The neutral atoms of all isotopes of the same element contain the same numbers of. |
A. Electrons and protons
B. Electrons and neutrons
C. Neutrons
D. Neutrons and protons
|
| 8 | Why FET amplifiers are called voltage controlled devices. |
A. Input is a current signal
B. Output is a current signal
C. Input is a voltage signal
D. Output is a voltage signal
|
| 9 | Which uranium isotope having the atomic weights as given below is easily fissionable. |
A. 234
B. 235
C. 236
D. 238
|
| 10 | Sub atomic paticles whihc does not experience strong nuclear force are. |
A. hadrons
B. Photons
C. Leptons
D. Nucleons
|
Test Questions