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 the fusion process, there are	A. Hydrogen isotopes B. Helium Isotopes C. Carbon isotopes D. Oxygen isotopes
2	The most readily fissionable isotope of uranium has atomic mass of	A. 234 B. 235 C. 236 D. 238
3	X-rays are	A. Longitudinal wave B. Transvers waves C. Secondary waves D. Fast sound waves
4	In the experiment of production of X rays electrons are accelerated towards the anode by	A. Thermionic emission B. Potential difference C. Breaking potential D. Cut of current
5	An emitter follower has	A. High input impedance and high output impedance B. High input impedance and low output impedance C. Low input impedance and low output impedance D. Low input impedance and high output impedance
6	When we pass a radiation from a radioactive material through an electric field.	A. All three kinds of rays will be deflected B. Only the Gama rays are deflected C. The Alpha and Beta particles are deflected D. Only the alpha particles are deflected
7	Which six particles and their antiparticles interact by the weak interaction.	A. Leptons B. Hadrons C. Muons D. pi mesons
8	Matter waves	A. Are electromagnetic in nature B. Travel with the speed of light C. Can be diffracted D. Are longitudinal waves
9	When using the formula E = h lambda what unit should energy have.	A. Joule B. Watt second C. Newton metre D. Electron volt
10	When a posirtron is emitted it causes.	A. Mass number to increase by one B. mass number to decrease by one C. Atomic number to decrease by one D. Atomic number to increase by one

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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

Alpha particles emitted from a radioactive material are.

A transistor consists of.

the alpha particle does not travel for enough in air.

The ionization energy for hydrogen atom is

The bunding energy per nucleon for iron is.

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

Which of the following has the highest relative biological effectiveness or the quality factor.

An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.

An operational amplifier can be used as a

A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.

Choose the one which acts as single inverter.

An increase in frequency above threshold frequency results in.

Which temperature is required for the fusion of two nuclides.

Which of the following wavelength lies in X-rays region.

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.

The scientific theory concerning the coming into existence of universe.

Which of the following is invariant under Galilean transformation.

The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.

The SI unit of current gain is.

There are how many modes of operations of a BJT.

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

Set 1

Set 2

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

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PPSC Physics Chapter 7 Important MCQ's

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