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 photons emitted in inner shell transition are.	A. Alpha particle B. Beta particle C. Gama particle D. Characteristic X-rays
2	Which one among these contacts in a transistor is non rectifying.	A. Base B. Emitter C. Collector D. None of these
3	When a helium atom loses an electron it becomes.	A. An a particle B. A proton C. A positive helium ion D. A negative helium ion
4	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
5	An example of continuous spectrum is.	A. Black body radiation spectrum B. Molecular spectra C. Atomic spectra D. All of the above
6	Radius of the Bother's orbit is r the radius of second orbit will be.	A. 2 r B. 3 r C. 4 r D. 8 r
7	The ionization energy for hydrogen atom is	A. -11.6 eV B. -12.6 eV C. -13.6 eV D. -19.6 eV
8	What is the relativistic version of the Schrodinger equation.	A. Klein Gordon equation B. Laplace equation C. Quadratic equation D. Binomial equation.
9	The half life of a radioactive substance depend on.	A. Pressure B. Temperature C. Amount of substance D. No external influences
10	the wavelength of continuous X-rays is inversely proportional to.	A. Intensity of incident electron beam B. Temperature of the target C. Intensity of X-rays D. The energy of electrons striking the target

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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

Radioactive decay series can be represents on

The total energy of an electron in an orbit around the nucleus is.

Which particle is removed by a photon.

NOR gate is a combination of.

In the fusion process, there are

The angle of scattering for which the Compton shift is maximum is.

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.

If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.

Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.

Which circuit elements has two stable states and can be used to store information.

The half life of radium -226 is

Push pull amplifiers employ

X-rays are absorbed maximum by

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

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

An operational amplifier have how many input terminals.

An increase in frequency above threshold frequency results in.

The number of electrons in U nucleus are.

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

Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.

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

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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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