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 process by which nuclei emit a ,b and gama rays in order to attain stability is called.	A. Radioactive disintegration B. Radio activity C. B decay D. Radioactive transmulation
2	Which configuration is used to connect high impedance source to a low impedance lead.	A. CE B. CB C. CC D. BE
3	The X-rays coming from a X-rays tube	A. Is monochromatic B. Has all wavelengths smaller than a certain maximum wavelength C. Has all wavelengths greater than a certain maximum wavelength D. has all wavelengths minimum than a certain maximum wavelength
4	One radian is equal to.	A. 0.1 Gy B. 0.01 Gy C. 0.001 Gy D. 0.0001 gy
5	Special theory of relativity deals with the events in the frames of reference which move with constant.	A. Time interval B. Acceleration C. Momentum D. space interval
6	When an electron and a positron are annihilated, then number of protons produced is.	A. 1 B. 2 C. 3 D. 4
7	The SI unit of current gain is.	A. Ampere B. Ampere metre C. Ampere volt D. It has no unit
8	Negative feedback	A. Increases stability B. Decreases stability C. Produces oscillatory D. Cannot occur
9	In n-p-n transistor the current flows in the direction from	A. Emitter to base B. emitter to collector C. Base to emitter D. Base to collector
10	When a beta particle travels though a medium it knocks out electrons from the atoms due to.	A. Gravitational force of attraction B. Electrostatic force of repulsion C. Nuclear force D. Electromagnetic induction

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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

Two electrons approach each other their relative velocity will be.

Which of the following is believed to be carrier o nuclear forces.

How much large is the proton mass than the electron mass.

LED is a p-n junction that emits

The chemical behavior of an atom is determined by

X-rays are also used for

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

The X-rays coming from a X-rays tube

Nuclear force as compared to electrostatic force is.

A logic circuit with one input and one output that inverts the input signal at the output is.

The emission of electrons from a metal surface when exposed to light of suitable frequency is called.

The Inner electrons in heavy atoms can be disturbed and dislodged by.

In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.

Radio carbon in the atmosphere is produced by the bombardment of.

Which given element has lowest work function

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

What is the effect of electric and magnetic fields on X-rays

A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.

X-rays are good for imagining

The most familiar example of radioactive dating is.

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

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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