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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
00:00
Question # 1
Which of the following are particle accelerators.
Question # 2
From which radiation it is most difficult to protect oneslelf.
Question # 3
The most convenient unit for energy at the atomic level is.
Question # 4
As the mass number varies, which of the quantities does not change w.r.t nucleus.
Question # 5
Transistors with various combinations are widely used as switches in.
Question # 6
Radioactive substances do not emit
Question # 7
The half life of a radioactive substance depend on.
Question # 8
In a transistor which one is very thin.
Question # 9
The unit generally used for measuring astronomical distances is.
Question # 10
As oscillator is basically an amplifier with loop gain
Question # 11
The potential due to which an electron is lifted from gerund state to excited state is.
Question # 12
Photocells are used for
Question # 13
A logic circuit with one input and one output that inverts the input signal at the output is.
Question # 14
Negative feedback
Question # 15
The input resistance of a JFET is of the order of.
Question # 16
A single quantum of electromagnetic radiation is termed as.
Question # 17
The Compton effect in X-rays proves that
Question # 18
The maximum K.E of photo electrons depends upon
Question # 19
Deuterium is
Question # 20
Marie Curie and Pierre Curie discovered two new radioactive elements which are.
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 | LED is a p-n junction that emits |
A. Visible light
B. X- rays
C. Ultraviolet light
D. electromagnetic waves
|
| 2 | When a beta particle travels though a medium it knocks out electrons from the atoms due to. |
A. Gravitational force of attraction
B. Electrostatic force of repulsion
C. Nuclear force
D. Electromagnetic induction
|
| 3 | Which type of amplifier causes minimum drain of power supply. |
A. Class -A
B. Class -B
C. Class-C
D. Class -AB
|
| 4 | Which of the following quantities is discrete according to Bohr's hypothesis. |
A. Momentum
B.
Potential energy
C. Angular velocity
D. Angular momentum
|
| 5 | Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer. |
A. Simultaneously
B. Mass variation
C. time dilation
D. Length contraction
|
| 6 | The reciprocal of decay constant lamda of a radioactive substances is equal to. |
A. total life
B. Half life
C. Mean life
D. Curie
|
| 7 | Isotopes are the atoms of the same elements which contain equal number of. |
A. Nucleus
B. Neutrons
C. Protons
D. Electrons
|
| 8 | In a transistor which one is very thin. |
A. Collector
B. Emitter
C. Base
D. Depletion region
|
| 9 | X-rays spectrum may be |
A. Continuous spectrum
B. Discontinuous spectrum
C. Line spectrum
D. Continuous and line spectrum
|
| 10 | The critical mass of a fission reaction is. |
A. The mass to start a nuclear fission reaction
B. The minimum mass for chain reaction
C. The size of the reactor core
D. The size of fuel plus the size of moderator
|
Test Questions
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