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 deflected by an electric field.	A. Alpha particles B. X rays C. Gama rays D. Neutrons
2	The gama rays have	A. Thin tracks B. Thick tracks C. No definite tracks D. Continuous tracks
3	What do we study by crystallography.	A. The analysis of X ray spectra of elements and study of crystal structure. B. Visible spectra of sources and crystal study C. Ultraviolet spectra of sources and crystal study D. Characteristics of X-rays
4	One becquerel is equal to	A. Decay of orie radioactive atoms per second B. Decay of 10 radioactive atoms per secnd C. Decay of 100 radioactive atoms per second D. Decay of infinity radioactive atoms per second.
5	The angle of scattering for which the Compton shift is maximum is.	A. 0^o B. 45 ^o C. 80 o D. 180^o
6	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
7	What is the effect of electric and magnetic fields on X-rays	A. X-rays are deflected B. X-rays are not deflected C. X-rays are sometimes deflected and sometimes not D. Nothing can be said
8	Why transistor is preferred to triode valve for use as an amplifier.	A. Because it can handle large power B. Because it has higher input impedance C. Because it has higher voltage gain D. Because it has lower voltage gain
9	X-rays are absorbed maximum by	A. Paper B. Copper C. Steel D. Lead
10	Which of the following radiations can penetrate 20 cm thick steel.	A. Alpha particles B. Beta particles C. Gama particles D. Neutrons

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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 of the following are electromagnetic waves.

If an object moves with velocity of light the apparent mass of the object as compared to list original mass is

The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.

Binding energy per nucleon is.

Mosley's law establishes the x rays fluorescence's of target element with its.

The advantage of electron tube over semiconductor is.

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

Usually in an operational amplifier the inputs used are of

The mass of an alpha particle is.

Radioactive decay series can be represents on

The unit Planck's constant is equivalent to that of.

The hyperfine lines in the spectrum relates to

The rest mass of a particle is independent of the

48 days after the receipt the amount of iodine -131 left behind is only.

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

Sub atomic particles which experience strong nuclear force are.

Hydrogen bomb is based on

What do we study by crystallography.

LED is a p-n junction that emits

Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.

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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