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	Low frequency response of an amplifier is mainly limited by.	A. Biasing configuration B. Coupling capacitor C. By pass capacitor D. Input impedance
2	Which of the following radiations can penetrate 20 cm thick steel.	A. Alpha particles B. Beta particles C. Gama particles D. Neutrons
3	What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.	A. 30 B. 90 C. 270 D. 27,000
4	In an electronic transition atom cannot emit	A. Gama rays B. Visible rays C. Infrared rays D. Ultraviolet rays
5	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
6	Which of the following is not a mode of radioactive decay.	A. Positron emission B. Electron capture C. Fusion reaction D. A decay
7	The most convenient unit for energy at the atomic level is.	A. Joule B. Watt second C. Newton metre D. Electron volt
8	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.	A. 20 minutes B. 40 minutes C. 80 minutes D. 120 minutes
9	The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.	A. Nuclear fission B. nuclear fusion C. Radioactivity D. Carbon dating
10	Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.	A. Attraction of nucleus B. Collision with nuclei C. Interactions with electrons D. Electrostatic repulsion by the nucleus

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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

LASER is a device which can produce.

Which one of the following has the largest wavelength.

The charge on a helium nucleus is equal to the charge of.

Ebers-Moll model describes the working of a

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

Tracer techniques make use of.

Which of the following radiations can penetrate 20 cm thick steel.

If we use two diodes and a centre tapped transformer we eill get

The potential due to which an electron is lifted from gerund state to excited state is.

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.

The critical mass of a fission reaction is.

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

Magnetic field does not cause deflection in

The process of pair production will take place if the energy of photon is greater than.

In CE amplifier phased reversal occurs when the output voltage is taken between

The nucleus of tritium is called.

Current gain of a CE amplifier is 50, ITS hfe is about

LED is a p-n junction that emits

In radiotherapy X-rays are used to.

The advantage of electron tube over a transistor is.

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

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Set 13

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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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