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 process by which nuclei emit a ,b and gama rays in order to attain stability is called.	A. Radioactive disintegration B. Radio activity C. B decay D. Radioactive transmulation
2	The unit Planck's constant is equivalent to that of.	A. Energy B. Force C. Velocity D. Angular momentum
3	Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits	A. Radiowaves B. Alpha particles C. Beta particles D. gama particles
4	The particles less in mass than protons are	A. Measons B. Bosons C. Baryons D. Nucleons
5	Which of the following particles leave no trail in a cloud chamber.	A. Electrons B. Protons C. Alpha particles D. Neutrons
6	Which Isotopes is use din radioactive dating.	A. C¹² B. C¹³ C. C¹⁴ D. C¹⁶
7	The emission of photons by a metal when electrons are incident is called.	A. Photo electric effect B. Pair production C. X-rays production D. Gama ray production
8	When a platinum wire is heated of 1600^oC, it becomes	A. orange B. Cherry red C. Dull red D. White
9	In potential for the material of cathode pure metals are rarely used because of their	A. Low reflecting power B. High reflecting power C. Low resolving power D. High resolving power
10	If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.	A. cut of mode B. Amplification mode C. Saturation mode D. Inversion mode

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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

The chain reaction is controlled by a series of rods usually made of.

The process of pair production will take place if the energy of photon is greater than

Which one of the following spectra series is in the ultraviolet region.

LED is a p-n junction that emits

LASER beam my be measure very large distance because it is.

The radius of first Bohr's orbit for hydrogen atom is.

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

The electrons behave as wave because.

The possible values of principal quantum number are.

Photocells are used for

The phenomenon of radioactivity is associated with

A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is

Radio carbon in the atmosphere is produced by the bombardment of.

The 'x' in X-rays means

Radioactive decay series can be represents on

Which of the following atom pair have the same structure.

The usefulness of X rays is largely due to their

In potential for the material of cathode pure metals are rarely used because of their

The helium nucleus does not contain

In an electronic transition atom cannot emit

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

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Set 4

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Set 7

Set 8

Set 9

Set 10

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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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