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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
How much large is the proton mass than the electron mass.
Question # 2
When objects placed in a room are exposed to X- rays they appear
Question # 3
The electrons behave as waves, because they can .
Question # 4
The unit generally used for measuring astronomical distances is.
Question # 5
An Alpha particle is the same as
Question # 6
The Compton effect in X-rays proves that
Question # 7
When we pass a radiation from a radioactive material through an electric field.
Question # 8
48 days after the receipt the amount of iodine -131 left behind is only.
Question # 9
Negative feedback
Question # 10
Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.
Question # 11
The unit of Rydberg constant R is
Question # 12
Which of the following are particle accelerators.
Question # 13
An operational amplifiers will act as an inverting amplifier when the input signal is connected to.
Question # 14
Which circuit elements has two stable states and can be used to store information.
Question # 15
The emission of Beta particle from protonium -218 results in the formation of.
Question # 16
A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is
Question # 17
The energy in an electromagnetic wave is carried in the units called.
Question # 18
When an electron and a positron are annihilated, then number of protons produced is.
Question # 19
In Compton's effect the change in wavelength of a scattered photon is called.
Question # 20
Which of the following are electromagnetic waves.
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
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Set 7
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Set 8
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Set 9
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Set 10
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Set 11
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Set 12
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Set 13
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Set 14
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Set 15
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Set 16
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Set 17
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Set 18
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Set 19
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Set 20
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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 Class Physics Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The capture of neutron by a proton results in the formation of. |
A. Deuteron and gama rays
B. Deuteron and alpha particle
C. Triton and Beta particles
D. Tritron and X rays
|
| 2 | Which of the following wavelength lies in X-rays region. |
A. 1 A
B. 100 A
C. 1,000 A
D. 10,000 A
|
| 3 | Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is. |
A. longer that that of visible light
B. Smaller than that of visible light
C. Same as that of visible light
D. Unpredictable
|
| 4 | Which quantity remains fixed in isobars. |
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
|
| 5 | The particles less in mass than protons are |
A. Measons
B. Bosons
C. Baryons
D. Nucleons
|
| 6 | In a photocell, certain metals emit electrons for |
A. Visible light
B. X-rays
C. Infrared light
D. Ultraviolet light
|
| 7 | Which of the following radiations will burn human skin |
A. Infrared
B. Ultraviolet
C. X rays
D. Alpha particles
|
| 8 | In heavy atims the electrons are assumed to be arranged in. |
A. Elliptical shells
B. Inner shells
C. Concentric shells
D. Outer shells
|
| 9 | The energy equivalent of 1 kg of matter a |
A. 10-15 J
B. 1 J
C. 1012J
D. 1017 J
|
| 10 | The tunnel effect makes possible |
A. Alpha decay
B. Gama rays
C. Positive Beta decay
D. negative Beta dacay
|
Test Questions
