PPSC Physics Topic 7 MCQ Test With Answer

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.

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PPSC Physics Chapter 7 Important MCQ's

Sr.#	Question	Answer
1	How positives feedback will effect an amplifier.	A. Increases the voltage gain B. Decreases the voltage gain C. Imitates oscillation to occur D. Damaged it
2	Which one among these contacts in a transistor is non rectifying.	A. Base B. Emitter C. Collector D. None of these
3	The Compton effect in X-rays proves that	A. Electrons have wave property B. x-rays have wave properly C. X-rays have particle characteristics D. Electrons cannot exist
4	The half life of a radioactive substance as compared to its mean lif eis.	A. 30% B. 50% C. 70% D. 90%
5	Besides U ²³⁵ what else is needed for making as atomic bomb.	A. Electons B. Protons C. Neutrons D. Photons
6	In a Nuclear reactor which material is often used as modeerator.	A. Water B. Graphite C. Uranium D. Water and graphite
7	Half life and mean lifetime of a radioactive element are.	A. Equal to each other B. Inversely proportional to each other C. Directly proportional to each other D. Not related to each other
8	Lines of Balmer series are emitted by hydrogen atom when the electron jumps from	A. The first orbit to any other orbit B. Higher orbits to second orbit C. Higher orbits to first orbit D. The third orbit to higher orbit
9	Which of the following atom pair have the same structure.	A. N, C B. B, Li C. H2 , Ne D. Li , Na
10	The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.	A. Molecular force B. Nuclear force C. Atomic force D. Gravitational force

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PPSC Physics Topic 7 MCQ Test With Answer

MCQ's Test For PPSC Physics Topic 7 Modern Physics

PPSC Physics Topic 7 Modern Physics

A CE amplifier with by passed emitter resistor is an example of.

X-rays spectrum may be

The average energy released per fission of U is about

The SI unit of radioactivity is.

x-rays cannot produce

An operational amplifiers will act as an inverting amplifier when the input signal is connected to.

A device used to determine mass of an isotope quite accurately is known as.

The reciprocal of decay constant lamda of a radioactive element is.

When a beta particle travels though a medium it knocks out electrons from the atoms due to.

The possible values of principal quantum number are.

Which of the following properties is not exhibited by X-rays.

The total number nucleons in a nucleus are called.

Which particle interact via all fundamental forces.

One gray is equal to.

Alpha particles are used for the treatment of skin of a patient due to.

The electron behave an waves because

A solid state detector is basically

Which particles have spin quantum number 1/2

The ionization energy for hydrogen atom is

Which of the following describes that the time interval between two events may be different in different of references

Prepare Complete Set Wise PPSC Physics Topic 7 Modern Physics MCQs Online With Answers

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Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

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PPSC Physics Chapter 7 Important MCQ's

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