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 scattering experiment which force scatters alpha particle.	A. Nuclear force B. Coulomb's force C. Gravitational force D. Centripetal force
2	The division and germier experiment relates to	A. Diffusion B. interference C. Polarization D. Electron diffraction
3	The resistance between(+) and (-) inputs of an amplifier is.	A. Zero B. Low C. High D. Infinity
4	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
5	The input exultation for a JFET is	A. Current signal B. Voltage signal C. Voltage and current signals D. Neither voltage nor current signal
6	The unit generally used for measuring astronomical distances is.	A. Parsecs B. Light year C. Metre D. Kilometer
7	Mean life of a radioactive sample is 100 s its half life will be	A. 0.693 s B. 1 s C. 6.93 s D. 69.3 s
8	Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.	A. Attraction of nucleus B. Collision with nuclei C. Interactions with electrons D. Electrostatic repulsion by the nucleus
9	A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials.	A. 5 days B. 10 days C. 40 days D. 20 days
10	The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by	A. Dividing by 931 B. Multiplying by 931 C. Diving by 391 D. Multiplying by 391

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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

Which configuration is used to connect high impedance source to a low impedance lead.

Emitter follower amplifier is an example of.

Matter waves

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

The energy equivalent of 1 kg of matter a

The nucleus of tritium is called.

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

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

When Photon incident on a metal produce the emission of electrons the process is called.

An emitter follower has

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

Low frequency response of an amplifier is mainly limited by.

The tunnel effect makes possible

Which uranium isotope having the atomic weights as given below is easily fissionable.

Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.

The path of Gama rays in Wilson cloud chamber is

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

A unijunction transistor

The half life of a radioactive substance depend on.

Which of the following properties is not exhibited by X-rays.

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

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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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