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	In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.	A. A very small charged nucleus B. electrons orbiting the nucleus C. Neutrons in the nucleus D. Nuclear reaction
2	Transistor are made from	A. Plastics B. Metals C. Insulators D. Doped semiconductors
3	Matter waves	A. Are electromagnetic in nature B. Travel with the speed of light C. Can be diffracted D. Are longitudinal waves
4	The reciprocal of decay constant lamda of a radioactive substances is equal to.	A. total life B. Half life C. Mean life D. Curie
5	Besides U ²³⁵ what else is needed for making as atomic bomb.	A. Electons B. Protons C. Neutrons D. Photons
6	Which of the following is not a mode of radioactive decay.	A. Positron emission B. Electron capture C. Fusion reaction D. A decay
7	The SI unit of equivalent dose is	A. Seivert B. Gray C. Radian D. Rem
8	When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.	A. Photons B. Holes C. Quants D. Photo electrons
9	Which uranium isotope having the atomic weights as given below is easily fissionable.	A. 234 B. 235 C. 236 D. 238
10	Neutrino9 is a particle with	A. Charge less property and has no spin B. Charge less property and has spin C. Charge less like electron and has spin D. The same property as neutron

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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 SI unit of radioactivity is.

The number of electrons in U nucleus are.

The continuous x rays spectrum is obtained due to

The simple form of particle accelerator is.

The critical mass of fissionable uranium -235 can be reduced by

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

Which of the following is its own anti particle.

The value of principal quantum number for an ionized atom is.

Radioactive substances do not emit

The value of open loop gain for the amplifier is

The neutral atoms of all isotopes of the same element contain the same numbers of.

Which is the famous standard model of the universe.

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

Compton scattering experiment seemed to indicate that radiation had

Critical mass is the minimum mass needed for

Cosmic rays mostly comprise of

The maximum K.E of photo electrons depends upon

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

An example of continuous spectrum is.

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

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

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Set 8

Set 9

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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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