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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
LASER is a device which can produce.
Question # 2
Which six particles and their antiparticles interact by the weak interaction.
Question # 3
The 'x' in X-rays means
Question # 4
The neutral atoms of all isotopes of the same element contain the same numbers of.
Question # 5
In a Nuclear reactor which material is often used as modeerator.
Question # 6
X-rays are good for imagining
Question # 7
Which of the following is not an electromagnetic wave.
Question # 8
The rest mass of a particle is independent of the
Question # 9
When an object moves with a very high speed the length in the direction of motion.
Question # 10
X-rays travel with
Question # 11
The most suitable material for moderator in a nuclear reactor is.
Question # 12
The potential due to which an electron is lifted from gerund state to excited state is.
Question # 13
The advantage of electron tube over a transistor is.
Question # 14
The SI unit of equivalent dose is
Question # 15
The SI unit of absorbed dose in.
Question # 16
The half life of radium -226 is
Question # 17
The reciprocal of decay constant lamda of a radioactive substances is equal to.
Question # 18
A logic circuit with one input and one output that inverts the input signal at the output is.
Question # 19
48 days after the receipt the amount of iodine -131 left behind is only.
Question # 20
The energy of neutrons obtained during a fission reaction is.
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
20 Questions
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Set 14
20 Questions
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Set 15
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Set 16
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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 | Atomic reactor is based on |
A. Controlled chain reaction
B. Uncontrolledly chain reaction
C. Nuclear fission
D. Nuclear fusion
|
| 2 | Which Isotopes is use din radioactive dating. |
A. C12
B. C13
C. C14
D. C16
|
| 3 | The emission of electrons from a metal surface when exposed to light of suitable frequency is called. |
A. Pair production
B. Compton effect
C. Photo electric effect
D. Zeeman effect
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| 4 | The neutral atoms of all isotopes of the same element contain the same numbers of. |
A. Electrons and protons
B. Electrons and neutrons
C. Neutrons
D. Neutrons and protons
|
| 5 | Which one of the following has maximum frequency. |
A. Visible light
B. Gama rays
C. Ultraviolet rays
D. Infrared rays
|
| 6 | In fission reaction, heavy water is used as a |
A. Coolant
B. Moderator
C. Heat exchanger
D. Controller of reaction rate
|
| 7 | The binary equivalent of 25 is |
A. 111001
B. 11001
C. 1001
D. 10101
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| 8 | A logic circuit whose output signal is '1' when inputs are different is. |
A. NAND gate
B. NOR gate
C. Exclusive OR gate
D. Exclusive NOR gate
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| 9 | The binding energy per nucleon for uranium is about. |
A. 7.7 MeV
B. 9.6 MeV
C. 13.6 MeV
D. 21.6 MeV
|
| 10 | Transistors with various combinations are widely used as switches in. |
A. electric generators
B. Rectificers
C. Amplifiers
D. Computers
|
Test Questions
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