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	The electron behave an waves because	A. They can be diffracted by a crystal B. They can produce ions in gases C. They can be deflected by magnetic field D. They can be deflected by electric field
2	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
3	X-rays spectrum may be	A. Continuous spectrum B. Discontinuous spectrum C. Line spectrum D. Continuous and line spectrum
4	X-rays are not used in RADARs because	A. They are not reflected by the target B. they are not completely absorbed by air C. They damage the target D. They are reflected by the target
5	When an object moves with a very high speed the length in the direction of motion.	A. Contracts B. Expands C. Remains the same D. Becomes infinity
6	One gray is equal to.	A. 1 J-1 kg -1 B. 1 J -1 kg -2 C. 1 J 1 -g-1 D. 1 j kg -2
7	Which of the following configuration of BJTs gives both voltage gain and current gain.	A. common Base B. Common Emtter C. Common collector D. All of the above
8	The total energy of the hydrogen atom is	A. zero B. Infinite C. positive D. Negative
9	Which particle interact via all fundamental forces.	A. Leptons B. Hadrons C. Muons D. mesons
10	An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.	A. Rectifier B. Amplifier C. Thermocouple D. Transistor

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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 photon is chasing an electron, whose speed is 0.9 c What is their relative speed.

Which of the following quantities is discrete according to Bohr's hypothesis.

Which one of the following has maximum frequency.

The continuous x rays spectrum is obtained due to

The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.

The possible values of principal quantum number are.

The SI unit of current gain is.

Compton scattering experiment seemed to indicate that radiation had

The energy equivalent of 1 kg of matter a

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

The Compton effect in X-rays proves that

Photocells are used for

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

The radius of second orbit of hydrogen atom is

In fission reaction, heavy water is used as a

The half life of radium -226 is

NOR gate is a combination of.

The average energy released per fission of U is about

Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits

The nucleus of tritium is called.

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

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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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