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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 energy in an electromagnetic wave is carried in the units called.
Question # 2
On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.
Question # 3
X-rays used for
Question # 4
Atomic reactor is based on
Question # 5
Which experiment confirmed the de Broglie hypothesis.
Question # 6
Which of the following properties is not exhibited by X-rays.
Question # 7
The energy of neutrons obtained during a fission reaction is.
Question # 8
The critical mass of a fissionable material is.
Question # 9
The possible values of principal quantum number are.
Question # 10
The particles equal in mass or greater than protons are called.
Question # 11
Alpha particles emitted from a radioactive material are.
Question # 12
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 13
Work function is generally expressed in.
Question # 14
Transistor are made from
Question # 15
The relationship between mass number atomic number and neutron number is.
Question # 16
What is the relativistic version of the Schrodinger equation.
Question # 17
X-ray are
Question # 18
X-rays are
Question # 19
Which one of the following has maximum frequency.
Question # 20
Which of the following propagates at the same speed as velocity of light.
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
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Set 13
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Set 14
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Set 15
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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 path of Gama rays in Wilson cloud chamber is |
A. Irregular
B. Dense and straight
C. Thin and continuous
D. Thin and discontinuous
|
| 2 | LASER beam my be measure very large distance because it is. |
A. Inidirectional
B. coherent
C. Monochromatic
D. Not absorbed
|
| 3 | At high temperature a body generally emits redactions of. |
A. Small wavelengths
B. Long wavelengths
C. Moderates wavelengths
D. Zero wavelengths
|
| 4 | 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
|
| 5 | X-rays are also used for |
A. Ultrasound imaging
B. endoscopy
C. Computerized tomography scanning
D. Magnetic resonance imaging scanning
|
| 6 | The rest mass of a particle is independent of the |
A. Wavelength of the particle
B. Mass of the particle
C. Speed of the particle
D. Energy of the particle
|
| 7 | The process of pair production will take place if the energy of photon is greater than |
A. 0.21 MeV
B. 0.51 MeV
C. 1.51 MeV
D. 1.21 MeV
|
| 8 | The energy in an electromagnetic wave is carried in the units called. |
A. Protons
B. Electrons
C. Neutrons
D. Nucleus
|
| 9 | The resistance between(+) and (-) inputs of an amplifier is. |
A. Zero
B. Low
C. High
D. Infinity
|
| 10 | Which temperature is required for the fusion of two nuclides. |
A. 106 K
B. 107 K
C. 10 8 K
D. 10 9 K
|
Test Questions
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