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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
When Photon incident on a metal produce the emission of electrons the process is called.
Question # 2
In heavy elements of the periodic table the number of neutrons than protons are.
Question # 3
Which type of radiation would be stopped completely by a thin piece of cardboard.
Question # 4
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 5
The energy that must be added to separate the nucleus is called.
Question # 6
X-rays are good for imagining
Question # 7
The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.
Question # 8
Which configuration is used to connect high impedance source to a low impedance lead.
Question # 9
An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.
Question # 10
From which radiation it is most difficult to protect oneslelf.
Question # 11
Two electrons approach each other their relative velocity will be.
Question # 12
Neutrino9 is a particle with
Question # 13
The back ground radiation in the atmosphere on the average is
Question # 14
LASER beam my be measure very large distance because it is.
Question # 15
Push pull amplifiers employ
Question # 16
The relationship between mass number atomic number and neutron number is.
Question # 17
LASER is a device which can produce.
Question # 18
The neutral atoms of all isotopes of the same element contain the same numbers of.
Question # 19
The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.
Question # 20
Which particle are not emitted by a radioactive substance.
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 | In a cloud chamber the Alpha particles leave |
A. Dense, straight and continuous tracks
B. Only straight and continuous tracks
C. Thin and discontinuous tracks
D. Irregular tracks
|
| 2 | Which one of the following has the largest wavelength. |
A. x rays
B. Infrared rays
C. Visible light
D. Radio waves
|
| 3 | Which of the following detectors can count fast and operate at low voltage. |
A. G.M Counter
B. Cloud chamber
C. Solid state detector
D. Bubble chamber
|
| 4 | The best shield against Gama rays would be of |
A. Heavy water
B. Aluminium
C. Iron
D. Lead
|
| 5 | The particles equal in mass or greater than protons are called. |
A. Mesons
B. Bosons
C. Baryons
D. Nucleons
|
| 6 | When a platinum wire is heated of 1600 oC, it becomes |
A. orange
B. Cherry red
C. Dull red
D. White
|
| 7 | Why is a capacitor resistor combination used in oscillators in grid circuit. |
A. To generate oscillation
B. To bias the grid automatically
C. To amplify oscillations
D. To sustain the oscillations.
|
| 8 | In electromagnetic spectrum X-rays are next to. |
A. Water waves
B. Radio waves
C. ultraviolet waves
D. Infrared waves
|
| 9 | Which of the following quantities is discrete according to Bohr's hypothesis. |
A. Momentum
B.
Potential energy
C. Angular velocity
D. Angular momentum
|
| 10 | Alpha particles emitted from a radioactive material are. |
A. He nucliei
B. H -nucliei
C. Li nucliei
D. B nucliei
|
Test Questions