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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
Mean life of a radioactive sample is 100 s its half life will be
Question # 2
The wavelength of X-rays is of the ofder of.
Question # 3
Mosley's law establishes the X-rays fluorescence of target element with is.
Question # 4
The maximum K.E. with which photoelectrons are emitted depends very strongly on the.
Question # 5
The neutral atoms of all isotopes of the same element contain the same numbers of.
Question # 6
A perfect back body
Question # 7
The half life of radium -226 is
Question # 8
The mass of an helium nucleus is equal to.
Question # 9
The simple form of particle accelerator is.
Question # 10
The absorption of X-rays in a given material follows.
Question # 11
Which of the following is not an electromagnetic wave.
Question # 12
Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits
Question # 13
Which of the following is the most massive particle.
Question # 14
Matter waves
Question # 15
Which of the following is invariant under Galilean transformation.
Question # 16
Positron are produced during.
Question # 17
What is the effect of electric and magnetic fields on X-rays
Question # 18
Why is a capacitor resistor combination used in oscillators in grid circuit.
Question # 19
Particle which can be added to the nucleus of an atom with changing its chemical properties are called.
Question # 20
One radian is equal to.
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 gama rays have |
A. Thin tracks
B. Thick tracks
C. No definite tracks
D. Continuous tracks
|
| 2 | In fission reaction, heavy water is used as a |
A. Coolant
B. Moderator
C. Heat exchanger
D. Controller of reaction rate
|
| 3 | Which quantity remains fixed in isobars. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
| 4 | In a photocell, certain metals emit electrons for |
A. Visible light
B. X-rays
C. Infrared light
D. Ultraviolet light
|
| 5 | Which type of radiation would be stopped completely by a thin piece of cardboard. |
A. Alpha particles
B. Beta particles
C. Gama rays
D. X -rays
|
| 6 | The unit Planck's constant is equivalent to that of. |
A. Energy
B. Force
C. Velocity
D. Angular momentum
|
| 7 | 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
|
| 8 | A logic circuit with one input and one output that inverts the input signal at the output is. |
A. AND gate
B. NOT gate
C. OR gate
D. NOR gate
|
| 9 | What is the scale for measurement of Banbridge mass spectrograph. |
A. Linear
B. Inverse
C. Exponential
D. Logarithmic
|
| 10 | The angle of scattering for which the Compton shift is maximum is. |
A. 0 o
B. 45 o
C. 80 o
D. 180 o
|
Test Questions
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