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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
Which experiment is a demonstration that matter and energy can display properties of both waves and particles.
Question # 2
Radioactivity is the phenomenon associated with the.
Question # 3
The radius of first Bohr's orbit for hydrogen atom is.
Question # 4
The neutral atoms of all isotopes of the same element contain the same numbers of.
Question # 5
Which of the following are electromagnetic waves.
Question # 6
A transistor can be used as
Question # 7
One gray is equal to.
Question # 8
When Be is bombarded by alpha particles, then we obtain
Question # 9
Deuterium is
Question # 10
An operational amplifiers will act as an inverting amplifier when the input signal is connected to.
Question # 11
An Alpha particle is the same as
Question # 12
The advantage of electron tube over a transistor is.
Question # 13
Which particles have spin quantum number 1/2
Question # 14
Which one of the following is a convenient energy unit to express the energy of sub atomic particles.
Question # 15
The phenomenon of radioactivity is associated with
Question # 16
Current gain of a CE amplifier is 50, ITS hfe is about
Question # 17
Most widely used types of gas LASER are
Question # 18
During the alpha decay process
Question # 19
The total energy of an electron in an orbit around the nucleus is.
Question # 20
In which of the following studies x-rays are not helpful.
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
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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
20 Questions
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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 | The half life of radium -226 is |
A. 1620 years
B. 45 x 109 years
C. 3.8 days
D. 23.5 minutes
|
| 2 | When using the formula E = h lambda what unit should energy have. |
A. Joule
B. Watt second
C. Newton metre
D. Electron volt
|
| 3 | The electrons behave as wave because. |
A. They can be diffracted by a crystal
B. They can be defecting by magnetic field
C. They can be deflecting by electric field
D. they can produce ions in gases
|
| 4 | Which of the following has greatest binding energy per nucleon. |
A. Normal hydrogen
B. Deuterium
C. Tritium
D. Helium-4
|
| 5 | 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
|
| 6 | Which one of the following gates in a a universal gate. |
A. OR
B. AND
C. NOT
D. NAND
|
| 7 | X-rays are absorbed maximum by |
A. Paper
B. Copper
C. Steel
D. Lead
|
| 8 | Usually in an operational amplifier the inputs used are of |
A. Equal voltage and same polarity
B. Equal voltage and opposite polarity
C. Different voltage and same polarity
D. Different voltage and opposite polarity
|
| 9 | The decimal equivalent of 1111 is |
A. 5
B. 10
C. 15
D. 120
|
| 10 | The energy that must be added to separate the nucleus is called. |
A. Critical energy
B. Binding energy
C. Gravitational energy
D. Electrostatic energy
|
Test Questions
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