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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
One particle having zero mass and zero charge is.
Question # 2
When of the following radiations are not emitted by electron transitions in atoms.
Question # 3
The unit Planck's constant is equivalent to that of.
Question # 4
Magnetic field does not cause deflection in
Question # 5
Which of the following is invariant under Galilean transformation.
Question # 6
The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.
Question # 7
Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.
Question # 8
A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.
Question # 9
A spectroscope sorts out
Question # 10
Which of the following atom pair have the same structure.
Question # 11
The maximum K.E. with which photoelectrons are emitted depends very strongly on the.
Question # 12
In a photocell, certain metals emit electrons for
Question # 13
When using the formula E = h lambda what unit should energy have.
Question # 14
The energy in an electromagnetic wave is carried in the units called.
Question # 15
The electron behave an waves because
Question # 16
The binding energy per nucleon for uranium is about.
Question # 17
the gain of an amplifier is independent of
Question # 18
One becquerel is equal to
Question # 19
How many types of quarks were suggested i 1964 quark theory.
Question # 20
The reciprocal of decay constant lamda of a radioactive element 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
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 | Tracer techniques make use of. |
A. Neutron scattering
B. Electron beams
C. LASER
D. Radioactive isotopes
|
| 2 | Which of the following is formed by decay of a free neurton. |
A. A number of electrons
B. Two protons
C. A proton and an electron
D. An alpha particle
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| 3 | Phenomenon of radioactivity is due to disintegration of. |
A. Proton
B. Neutron
C. electron
D. nucleus
|
| 4 | Critical mass is the minimum mass needed for |
A. Fusion
B. H-Bomb
C. Chain reaction
D. Binding energy
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| 5 | As the mass number increases, the binding energy per nucleon in a nucleus |
A. Increases
B. Decreases
C. Remain constant
D. Varies in a way that depends upon A
|
| 6 | 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
|
| 7 | If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes. |
A. Larger
B. Smaller
C. Zero
D. Infinity
|
| 8 | Which of the following is its own anti particle. |
A. Photon
B. Electron
C. Proton
D. positron
|
| 9 | A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials. |
A. 5 days
B. 10 days
C. 40 days
D. 20 days
|
| 10 | In CC configuration voltage gain is. |
A. Less than one
B. More than one
C. One
D. Zero
|
Test Questions