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	On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.	A. Target material B. Accelerating voltage C. Filament temperature D. Separation between target and the filament
2	The particles less in mass than protons are	A. Measons B. Bosons C. Baryons D. Nucleons
3	Sub atomic paticles whihc does not experience strong nuclear force are.	A. hadrons B. Photons C. Leptons D. Nucleons
4	The process of conversation of a photon into an electron and a position is called.	A. Pair annihilations B. Pair production C. Photoelectric effect D. Compton effect
5	48 days after the receipt the amount of iodine -131 left behind is only.	A. 0.1325 g B. 0.2135 g C. 0.3125 g D. 0.1235 g
6	Which of the following is deflected by an electric field.	A. Alpha particles B. X rays C. Gama rays D. Neutrons
7	Why transistor is preferred to triode valve for use as an amplifier.	A. Because it can handle large power B. Because it has higher input impedance C. Because it has higher voltage gain D. Because it has lower voltage gain
8	If we use two diodes and a centre tapped transformer we eill get	A. Transistor B. Amplifier C. Half wave rectifier D. Full wave rectifier
9	Radius of the Bother's orbit is r the radius of second orbit will be.	A. 2 r B. 3 r C. 4 r D. 8 r
10	Which both elements are good for nuclear fission.	A. Thorium an uranium B. Thorium and radium C. Plutonium and uranium D. Plutonium and throrium

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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 factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.

Which of the following is deflected by an electric field.

The helium nucleus does not contain

At high temperature a body generally emits redactions of.

Half life and mean lifetime of a radioactive element are.

The potential due to which an electron is lifted from gerund state to excited state is.

The maximum K.E. with which photoelectrons are emitted depends very strongly on the.

In which of the following controlled nuclear chain reaction is used to liberate energy.

The relationship between mass number atomic number and neutron number is.

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

Which experiment is a demonstration that matter and energy can display properties of both waves and particles.

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

The back ground radiation in the atmosphere on the average is

In heavy elements of the periodic table the number of neutrons than protons are.

The mass of proton is equal to.

The process by which nuclei emit a ,b and gama rays in order to attain stability is called.

A slow neutron can cause fission in

The Inner electrons in heavy atoms can be disturbed and dislodged by.

Which particle has zero charge and zero rest mass.

The SI unit of current gain is.

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

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Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12

Set 13

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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