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 SI unit of radioactivity is.	A. Becquerl B. Curie C. Joule D. rutherford
2	The electrons behave as waves, because they can .	A. Produce ions in gases B. Diffracted by a crystal C. Be deflected by electric fields D. Be deflected by magnetic fields
3	Besides U ²³⁵ what else is needed for making as atomic bomb.	A. Electons B. Protons C. Neutrons D. Photons
4	The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.	A. Threshold frequency B. work function C. Wave number D. Kinetic energy
5	Which of the following is formed by decay of a free neurton.	A. A number of electrons B. Two protons C. A proton and an electron D. An alpha particle
6	The most readily fissionable isotope of uranium has atomic mass of	A. 234 B. 235 C. 236 D. 238
7	The exitance of more than one distinct state with the same energy is called.	A. Exigency B. Degeneracy C. Normally D. Emergency
8	When objects placed in a room are exposed to X- rays they appear	A. Violet B. Visible C. Red D. Invisible
9	The particles less in mass than protons are	A. Measons B. Bosons C. Baryons D. Nucleons
10	The phenomenon of Compton's effect process that right has	A. Wave nature B. Particle nature C. Dual nature D. Corpuscular nature

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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 reciprocal of decay constant lamda of a radioactive element is.

Which of the following radiations can penetrate 20 cm thick steel.

Binding energy per nucleon is.

An important property of an ideal power supply is.

48 days after the receipt the amount of iodine -131 left behind is only.

X-ray are

The wavelength of Lyman series for hydrogen spectrum lies in the.

The usefulness of X rays is largely due to their

Emitter follower amplifier is an example of.

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

Two electrons approach each other their relative velocity will be.

How positives feedback will effect an amplifier.

Which particle is removed by a photon.

When transistor works as an amplifier, its output is.

A transistor can be used as

One particle having zero mass and zero charge is.

Induced fission result from the absorption of

X-rays are absorbed maximum by

Sub atomic particles which experience strong nuclear force are.

The continuous x rays spectrum is obtained due to

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

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Set 7

Set 8

Set 9

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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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