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 of the following is the most commonly used regions of operations for a transistor.	A. Cut off B. Saturation C. Active D. All of these
3	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
4	The most suitable material for moderator in a nuclear reactor is.	A. B B. Cd C. D2O D. Uranium
5	There are how many modes of operations of a BJT.	A. 2 B. 3 C. 4 D. 5
6	Mosley's law establishes the X-rays fluorescence of target element with is.	A. Atomic weight B. Atomic number C. Density D. Lattice constant
7	Positron are produced during.	A. Annihilation B. ionization C. Pair production D. x rays production
8	Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.	A. Torque B. Momentum C. Energy D. Impulse
9	The strength of photo electric current depends upon.	A. Intensity of incident light B. Frequency of incident light C. Angle of incident light D. Distance between anode and cathode
10	A logic circuit with one input and one output that inverts the input signal at the output is.	A. AND gate B. NOT gate C. OR gate D. NOR gate

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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 quantity remains fixed in isobars.

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

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

What are isotopes.

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

Specially designed solid state detector can be used to detect.

The half life of uranium -238 is

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

The energy in an electromagnetic wave is carried in the units called.

Why hydrogen atom does not emit x-rays.

The radius of second orbit of hydrogen atom is

The process of energy generation in sun and stars is.

The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.

Radioactive decay series can be represents on

Atomic reactor is based on

What is the relativistic version of the Schrodinger equation.

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.

Which of the following is formed by decay of a free neurton.

The half life of radium -226 is

The part of theory of relativity which deals with accelerated bodies is called.

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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