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 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
2	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
3	X-ray are	A. Streams of negatively charted particles. B. Electromagnetic wave C. Streams of positively charged particles D. Visible light
4	When an electron and a positron are annihilated, then number of protons produced is.	A. 1 B. 2 C. 3 D. 4
5	An oscillator is basically an amplifier with loop gain	A. Zero B. Less than unity C. More than unity D. Infinity
6	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
7	The output of two input OR gate is zero only when its.	A. Either input is one B. Either input is zero C. Both inputs are zero D. Both inputs are one
8	Besides U ²³⁵ what else is needed for making as atomic bomb.	A. Electons B. Protons C. Neutrons D. Photons
9	Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.	A. mouse B. Cat C. Dog D. Rabbit
10	The tunnel effect makes possible	A. Alpha decay B. Gama rays C. Positive Beta decay D. negative Beta dacay

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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 phenomenon is explained by the tunnel efffect.

The back ground radiation in the atmosphere on the average is

Which type of amplifier causes minimum drain of power supply.

In electromagnetic spectrum X-rays are next to.

A transistor consists of.

The half life of a radioactive element depends upon.

In the experiment of production of X rays electrons are accelerated towards the anode by

the gain of an amplifier is independent of

Which one the following is not a component of a Bipolar junction Transistor

Why FET amplifiers are called voltage controlled devices.

The term used for the emission of electrons when light strikes a surface.

At what speed the mass of a body will be doubled.

NOR gate is a combination of.

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

Radioactive substances do not emit

Which of the following propagates at the same speed as velocity of light.

The electrons behave as waves, because they can .

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.

X-rays used for

When an object moves with a very high speed the length in the direction of motion.

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

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Set 2

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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

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PPSC Physics Chapter 7 Important MCQ's

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