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	Phenomenon of radioactivity is due to disintegration of.	A. Proton B. Neutron C. electron D. nucleus
2	The result of the alpha particle scattering experiment gave evidence for which of the following.	A. Nuclear fusion B. Radio active decay C. Existence of isotopes D. Nuclear atom
3	X-rays are absorbed maximum by	A. Paper B. Copper C. Steel D. Lead
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	The potential due to which an electron is lifted from gerund state to excited state is.	A. Potential gradient B. excitation potential C. Ionization potential D. Potential difference
6	Atomic reactor is based on	A. Controlled chain reaction B. Uncontrolledly chain reaction C. Nuclear fission D. Nuclear fusion
7	An example of continuous spectrum is.	A. Black body radiation spectrum B. Molecular spectra C. Atomic spectra D. All of the above
8	X-rays are	A. Longitudinal wave B. Transvers waves C. Secondary waves D. Fast sound waves
9	The particles less in mass than protons are	A. Measons B. Bosons C. Baryons D. Nucleons
10	Why is a capacitor resistor combination used in oscillators in grid circuit.	A. To generate oscillation B. To bias the grid automatically C. To amplify oscillations D. To sustain the oscillations.

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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

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

The SI unit of equivalent dose is

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

Beta decay may occur by

When a beta particle travels though a medium it knocks out electrons from the atoms due to.

When we pass a radiation from a radioactive material through an electric field.

The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.

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.

The energy equivalent of 1 kg of matter a

Besides U 235 what else is needed for making as atomic bomb.

A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.

Neutrino9 is a particle with

Marie Curie and Pierre Curie discovered two new radioactive elements which are.

The advantage of electron tube over semiconductor is.

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

Particle which can be added to the nucleus of an atom with changing its chemical properties are called.

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

There are how many modes of operations of a BJT.

Why FET amplifiers are called voltage controlled devices.

The division and germier experiment relates to

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

Topic Test

Top Scorers Of PPSC Physics Topic 7 Modern Physics MCQ`s Test

PPSC Physics Chapter 7 Important MCQ's

Test Questions

Besides U ²³⁵ what else is needed for making as atomic bomb.