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	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
2	The value of principal quantum number for an ionized atom is.	A. 13.6 eV B. 27.2 eV C. 54.4 eV D. 100 eV
3	The simple form of particle accelerator is.	A. Cathode ray tube B. Oscillator C. _Amplifier D. Phase locked loop
4	Which type of radiation would be stopped completely by a thin piece of cardboard.	A. Alpha particles B. Beta particles C. Gama rays D. X -rays
5	Which particle is removed by a photon.	A. Quark B. Electron C. Proton D. Neutron
6	The emission of electrons from a metal surface when exposed to light of suitable frequency is called.	A. Pair production B. Compton effect C. Photo electric effect D. Zeeman effect
7	Which temperature is required for the fusion of two nuclides.	A. 10⁶ K B. 10⁷K C. 10⁸K D. 10 ⁹ K
8	Beta decay may occur by	A. Beta minus B. Beta Plus C. Electron capture D. All of these
9	In which of the following controlled nuclear chain reaction is used to liberate energy.	A. Nuclear bomb B. Atomic bomb C. Hydrogen bomb D. Nuclear reactor
10	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

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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

During the alpha decay process

A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes

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

As oscillator is basically an amplifier with loop gain

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

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

The emission of photons by a metal when electrons are incident is called.

Which of the following phenomenon is explained by the tunnel efffect.

The converse of pair production is

Besides U 235 what else is needed for making as atomic bomb.

The tunnel effect makes possible

One gray is equal to.

The electron behave an waves because

The result of the alpha particle scattering experiment gave evidence for which of the following.

Which of the following is the most massive particle.

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

The change in wavelength of an X-ray when scattered from an electron is called.

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

Transistor are made from

the alpha particle does not travel for enough in air.

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

Set 1

Set 2

Set 3

Set 4

Set 5

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

Topic Test

Top Scorers Of PPSC Physics Topic 7 Modern Physics MCQ`s Test

PPSC Physics Chapter 7 Important MCQ's

Test Questions

A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes

Besides U ²³⁵ what else is needed for making as atomic bomb.