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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
There are how many types of forces or interactions.
Question # 2
In fission reaction, heavy water is used as a
Question # 3
Photocells are used for
Question # 4
Which of the following radiations can penetrate 20 cm thick steel.
Question # 5
Which Isotopes is use din radioactive dating.
Question # 6
The best shield against Gama rays would be of
Question # 7
Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.
Question # 8
When a beta particle travels though a medium it knocks out electrons from the atoms due to.
Question # 9
Which of the following is deflected by an electric field.
Question # 10
The unit Planck's constant is equivalent to that of.
Question # 11
Which of the following quantities is discrete according to Bohr's hypothesis.
Question # 12
What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.
Question # 13
The 'x' in X-rays means
Question # 14
Which of the following radiations will burn human skin
Question # 15
The radius of first Bohr's orbit for hydrogen atom is.
Question # 16
A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes
Question # 17
As oscillator is basically an amplifier with loop gain
Question # 18
Binding energy per nucleon is.
Question # 19
An AND gate is.
Question # 20
Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
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 charge on a helium nucleus is equal to the charge of. |
A. Two electrons
B. Two protons
C. Two neutrons
D. One proton
|
| 2 | Which circuit elements has two stable states and can be used to store information. |
A. Flip flop or latch
B. Logic gate
C. Oscillator
D. Amplifier
|
| 3 | The output of two input OR gate is zero only when its. |
A. Either input is one
B. Either input is zero
C. Both inputs are zero
D. Both inputs are one
|
| 4 | In de Brogile model electron orbit must form |
A. Spectrum
B. Wave packets
C. Franhoffer lines
D. Clouds
|
| 5 | Which one of the following is a neutron absorber |
A. Pb
B. Cd
C. Cu
D. Ag
|
| 6 | The continuous x rays spectrum is obtained due to |
A. Deceleration of impact electrons
B. Breaking potential
C. Excitation potential
D. Ionization potential
|
| 7 | LED is a p-n junction that emits |
A. Visible light
B. X- rays
C. Ultraviolet light
D. electromagnetic waves
|
| 8 | 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
|
| 9 | Which animal did Erwin Schrodinger contemplate using in his famous thought experiment. |
A. mouse
B. Cat
C. Dog
D. Rabbit
|
| 10 | The strength of photo electric current depends upon. |
A. Intensity of incident light
B. Frequency of incident light
C. Angle of incident light
D. Distance between anode and cathode
|
Test Questions