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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 half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.
Question # 2
Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.
Question # 3
The maximum K.E of photo electrons depends upon
Question # 4
What is the relativistic version of the Schrodinger equation.
Question # 5
A solid state detector is basically
Question # 6
Among different elements of the periodic table which of the following atoms is the simplest.
Question # 7
The two elements with same number of electrons but different mass number are called.
Question # 8
Which one of the following quantities is conserved in a nuclear reactor.
Question # 9
The total energy of an electron in an orbit around the nucleus is.
Question # 10
Which of the following is not an electromagnetic wave.
Question # 11
Which of the following atom pair have the same structure.
Question # 12
Which of the following wavelength lies in X-rays region.
Question # 13
The strength of photo electric current depends upon.
Question # 14
Mean life of a radioactive sample is 100 s its half life will be
Question # 15
The SI unit of radioactivity is.
Question # 16
In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.
Question # 17
In an electronic transition atom cannot emit
Question # 18
The process of pair production will take place if the energy of photon is greater than
Question # 19
Which of the following are electromagnetic waves.
Question # 20
In scattering experiment which force scatters alpha particle.
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 | Mean life of a radioactive sample is 100 s its half life will be |
A. 0.693 s
B.
1 s
C. 6.93 s
D. 69.3 s
|
| 2 | Which both elements are good for nuclear fission. |
A. Thorium an uranium
B. Thorium and radium
C. Plutonium and uranium
D. Plutonium and throrium
|
| 3 | When a platinum wire is heated of 1600 oC, it becomes |
A. orange
B. Cherry red
C. Dull red
D. White
|
| 4 | An operational amplifier have how many input terminals. |
A. One
B. Two
C. Three
D. Four
|
| 5 | Which of the following are electromagnetic waves. |
A. Alpha particles
B. Beta particles
C. Gama rays
D. Water waves
|
| 6 | The exitance of more than one distinct state with the same energy is called. |
A. Exigency
B. Degeneracy
C. Normally
D. Emergency
|
| 7 | The radius of first Bohr's orbit for hydrogen atom is. |
A. 0.53 m
B. 0.53 nm
C. 0.053 nm
D. 0.53 mm
|
| 8 | In potential for the material of cathode pure metals are rarely used because of their |
A. Low reflecting power
B. High reflecting power
C. Low resolving power
D. High resolving power
|
| 9 | Which of the following are particle accelerators. |
A. Cyclotrons
B. Synchrotrons
C. Linear accelerators
D. All of the above
|
| 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
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