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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 path of Gama rays in Wilson cloud chamber is
Question # 2
The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.
Question # 3
In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.
Question # 4
The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
Question # 5
Which of the following is basic transistor configuration.
Question # 6
The reciprocal of decay constant lamda of a radioactive element is.
Question # 7
What is the effect of electric and magnetic fields on X-rays
Question # 8
An increase in frequency above threshold frequency results in.
Question # 9
Which particle is removed by a photon.
Question # 10
The number of electrons in U nucleus are.
Question # 11
The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.
Question # 12
The two elements with same number of electrons but different mass number are called.
Question # 13
When a platinum wire is heated of 1600 oC, it becomes
Question # 14
The energy equivalent of 1 kg of matter a
Question # 15
Which of the following quantities is discrete according to Bohr's hypothesis.
Question # 16
Which one of the following has maximum frequency.
Question # 17
In order to reduce uncertainty in momentum one must use light of.
Question # 18
the alpha particle does not travel for enough in air.
Question # 19
The maximum K.E. with which photoelectrons are emitted depends very strongly on the.
Question # 20
Transistors with various combinations are widely used as switches in.
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 | Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring. |
A. Time period
B. Frequency
C. Voltage gain
D. phase angle
|
| 2 | 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
|
| 3 | The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called. |
A. Molecular force
B. Nuclear force
C. Atomic force
D. Gravitational force
|
| 4 | The energy delivered to the tissue per unit mass is called the absorbed dose of. |
A. X rays
B. gama rays
C. Radiation
D. energy
|
| 5 | The most suitable material for moderator in a nuclear reactor is. |
A. B
B. Cd
C. D2O
D. Uranium
|
| 6 | As oscillator is basically an amplifier with loop gain |
A. Zero
B. Infinity
C. Less than unity
D. More than unity
|
| 7 | Which quantity remains fixed in isobars. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
| 8 | The tunnel effect makes possible |
A. Alpha decay
B. Gama rays
C. Positive Beta decay
D. negative Beta dacay
|
| 9 | An emitter follower has |
A. High input impedance and high output impedance
B. High input impedance and low output impedance
C. Low input impedance and low output impedance
D. Low input impedance and high output impedance
|
| 10 | Hydrogen bomb is based on |
A. Controlled chain reaction
B. Uncontrolled chain reaction
C. Nuclear fusion
D. Nuclear fission
|
Test Questions