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 radius of first Bohr's orbit for hydrogen atom is.	A. 0.53 m B. 0.53 nm C. 0.053 nm D. 0.53 mm
2	What is the relativistic version of the Schrodinger equation.	A. Klein Gordon equation B. Laplace equation C. Quadratic equation D. Binomial equation.
3	Matter waves	A. Are electromagnetic in nature B. Travel with the speed of light C. Can be diffracted D. Are longitudinal waves
4	The resistance between(+) and (-) inputs of an amplifier is.	A. Zero B. Low C. High D. Infinity
5	The tunnel effect makes possible	A. Alpha decay B. Gama rays C. Positive Beta decay D. negative Beta dacay
6	An oscillator is basically an amplifier with loop gain	A. Zero B. Less than unity C. More than unity D. Infinity
7	Most widely used types of gas LASER are	A. Neon B. Argon ion C. Helium D. All of these
8	The ionization energy for hydrogen atom is	A. -11.6 eV B. -12.6 eV C. -13.6 eV D. -19.6 eV
9	The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.	A. 12 years B. 24 years C. 48 years D. infinity
10	Transistor are made from	A. Plastics B. Metals C. Insulators D. Doped semiconductors

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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

The chemical behavior of an atom is determined by

The binding energy per nucleon for uranium is about.

Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.

The process of conversation of a photon into an electron and a position is called.

Positron are produced during.

Specially designed solid state detector can be used to detect.

The neutral atoms of all isotopes of the same element contain the same numbers of.

One gray is equal to.

Which of the following is its own anti particle.

The helium nucleus does not contain

In a photocell, certain metals emit electrons for

The radius of second orbit of hydrogen atom is

At what speed the mass of a body will be doubled.

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

An example of continuous spectrum is.

Which of the following properties is not exhibited by X-rays.

Which quantity remains fixed in isobars.

The Beta particles move along.

The X-rays coming from a X-rays tube

Mosley's law establishes the x rays fluorescence's of target element with its.

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

Set 1

Set 2

Set 3

Set 4

Set 5

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

PPSC Physics Chapter 7 Important MCQ's

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