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 unit generally used for measuring astronomical distances is.	A. Parsecs B. Light year C. Metre D. Kilometer
2	When Be is bombarded by alpha particles, then we obtain	A. electron B. Proton C. Positron D. Neutron
3	The continuous x rays spectrum is obtained due to	A. Deceleration of impact electrons B. Breaking potential C. Excitation potential D. Ionization potential
4	What do we study by crystallography.	A. The analysis of X ray spectra of elements and study of crystal structure. B. Visible spectra of sources and crystal study C. Ultraviolet spectra of sources and crystal study D. Characteristics of X-rays
5	The constant lamda is called the.	A. Decay constant B. Gas constant C. Planck's constant D. Dose constant
6	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
7	Which particle are not emitted by a radioactive substance.	A. Alpha particles B. Beta particles C. Gama particles D. Neutrons
8	The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.	A. Directly proportional to n B. Directly proportional to n2 C. Inversely proportional to n D. Inversely proportional to n2
9	Transistors with various combinations are widely used as switches in.	A. electric generators B. Rectificers C. Amplifiers D. Computers
10	If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.	A. cut of mode B. Amplification mode C. Saturation mode D. Inversion mode

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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 radiations can penetrate 20 cm thick steel.

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

A single quantum of electromagnetic radiation is termed as.

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

If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.

When objects placed in a room are exposed to X- rays they appear

An AND gate is.

The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.

Lines of Balmer series are emitted by hydrogen atom when the electron jumps from

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

An emitter follower has

In potential for the material of cathode pure metals are rarely used because of their

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

The bunding energy per nucleon for iron is.

A device used to determine mass of an isotope quite accurately is known as.

x-rays cannot produce

Which of the following is not an electromagnetic wave.

The advantage of electron tube over a transistor is.

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

NOR gate is a combination of.

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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