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 molecular weight of D2O is	A. 16 B. 18 C. 20 D. 24
2	The process of pair production will take place if the energy of photon is greater than.	A. 0.21 MeV B. 0.51 MeV C. 1.51 MeV D. 1.21 MeV
3	Which quantity remains fixed in isobars.	A. Mass number B. Atomic number C. Number of neutrons D. Number of protons
4	Bohr's atomic model assumes	A. Nucleus is of infinite mass and is at rest B. electron in a quantized orbit will not radiate energy C. Mass of electron remains the same D. All of the above
5	In a Nuclear reactor which material is often used as modeerator.	A. Water B. Graphite C. Uranium D. Water and graphite
6	The gama rays have	A. Thin tracks B. Thick tracks C. No definite tracks D. Continuous tracks
7	X-rays are also used for	A. Ultrasound imaging B. endoscopy C. Computerized tomography scanning D. Magnetic resonance imaging scanning
8	Which Isotopes is use din radioactive dating.	A. C¹² B. C¹³ C. C¹⁴ D. C¹⁶
9	The back ground radiation in the atmosphere on the average is	A. 0.5 Sv per year B. 1.0 Sv per year C. 1.5 Sv per year D. 2.0 Sv per year
10	When a platinum wire is heated of 1600^oC, it becomes	A. orange B. Cherry red C. Dull red D. White

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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 mass of an alpha particle is.

Which of the following is believed to be carrier o nuclear forces.

The SI unit of current gain is.

A darling ion amplifier is characterized by

The process of pair production will take place if the energy of photon is greater than

An increase in frequency above threshold frequency results in.

The value of principal quantum number for an ionized atom is.

Which of the following circuits is used as local oscillator in radio receivers.

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

Why transistor is preferred to triode valve for use as an amplifier.

The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.

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

Neutrino9 is a particle with

What is the energy equivalent to amu in Me V

Bohr's atomic model assumes

The potential due to which an electron is lifted from gerund state to excited state is.

Usually in an operational amplifier the inputs used are of

How positives feedback will effect an amplifier.

The total energy of an electron in an orbit around the nucleus is.

X-rays are

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

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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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