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 continuous x rays spectrum is obtained due to	A. Deceleration of impact electrons B. Breaking potential C. Excitation potential D. Ionization potential
2	Which one of the following spectra series is in the ultraviolet region.	A. Lyman series B. Paschen series C. Brackett series D. Plund series
3	A CE amplifier with by passed emitter resistor is an example of.	A. Current series feedback B. Voltage sires feed back C. Current shunt feedback D. Voltage shunt feed back
4	The charge on a helium nucleus is equal to the charge of.	A. Two electrons B. Two protons C. Two neutrons D. One proton
5	The emission of electrons from a metal surface when exposed to light of suitable frequency is called.	A. Pair production B. Compton effect C. Photo electric effect D. Zeeman effect
6	Which BJT configurations used for signal inversion.	A. CE B. CC C. CB D. BE
7	Particle which can be added to the nucleus of an atom with changing its chemical properties are called.	A. Electrons B. Protons C. Neutrons D. Alpha particles
8	Which of the following is not an electromagnetic wave.	A. game rays B. Ultraviolet rays C. Ultrasonic waves D. Microwaves
9	The mass of proton is equal to.	A. 1.673 x 10^-27 kg B. 1.673 x 10²⁷ kg C. 9.1 x 10-31 kg D. 9.1 x 10³¹ kg
10	Besides U ²³⁵ what else is needed for making as atomic bomb.	A. Electons B. Protons C. Neutrons D. Photons

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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

Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits

The advantage of electron tube over a transistor is.

Negative feedback

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

Mean life of a radioactive sample is 100 s its half life will be

Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

In order to reduce uncertainty in momentum one must use light of.

During the alpha decay process

Which one of the following has maximum frequency.

Why FET amplifiers are called voltage controlled devices.

The best shield against Gama rays would be of

When Be is bombarded by alpha particles, then we obtain

When using the formula E = h lambda what unit should energy have.

The SI unit of decay constant is.

The SI unit of absorbed dose in.

There are how many modes of operations of a BJT.

The Beta particles move along.

Usually in an operational amplifier the inputs used are of

The path of Gama rays in Wilson cloud chamber is

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

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Set 7

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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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