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	A spectroscope sorts out	A. Atoms B. Molecules C. Elements D. Isotopes
2	Which both elements are good for nuclear fission.	A. Thorium an uranium B. Thorium and radium C. Plutonium and uranium D. Plutonium and throrium
3	Half life and mean lifetime of a radioactive element are.	A. Equal to each other B. Inversely proportional to each other C. Directly proportional to each other D. Not related to each other
4	The most readily fissionable isotope of uranium has atomic mass of	A. 234 B. 235 C. 236 D. 238
5	The reciprocal of decay constant lamda of a radioactive element is.	A. Half life B. Mean life C. Total life D. Curie
6	Which given quantity remains the same in isotones.	A. Mass number B. Atomic number C. Number of neutrons D. Number of protons
7	Sub atomic paticles whihc does not experience strong nuclear force are.	A. hadrons B. Photons C. Leptons D. Nucleons
8	The total number nucleons in a nucleus are called.	A. Mass number B. Atomic number C. Neutron number D. Isotopes
9	Which of the following is required for maintaining sustained chain reaction.	A. Neutrons B. Protons C. Electrons D. Photons
10	In a transistor which one is very thin.	A. Collector B. Emitter C. Base D. Depletion region

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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 is not a mode of radioactive decay

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.

Which of the following is required for maintaining sustained chain reaction.

In CC configuration voltage gain is.

Which experiment is a demonstration that matter and energy can display properties of both waves and particles.

The maximum K.E. with which photoelectrons are emitted depends very strongly on the.

What is the relativistic version of the Schrodinger equation.

Most widely used types of gas LASER are

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

A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials.

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

The absorption of X-rays in a given material follows.

Which of the following propagates at the same speed as velocity of light.

In the experiment of production of X rays electrons are accelerated towards the anode by

Emitter follower amplifier is an example of.

For an electron or position the rest mass energy is equal to.

The SI unit of decay constant is.

Sub atomic paticles whihc does not experience strong nuclear force are.

Which experiment confirmed the de Broglie hypothesis.

In a transistor which one is very thin.

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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