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	In a Nuclear reactor which material is often used as modeerator.	A. Water B. Graphite C. Uranium D. Water and graphite
2	The process by which nuclei emit a ,b and gama rays in order to attain stability is called.	A. Radioactive disintegration B. Radio activity C. B decay D. Radioactive transmulation
3	The critical mass of a fissionable material is.	A. 1 kg B. 10 kg C. 100 kg D. 1.,000 kg
4	Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.	A. 1 mA B. 100 mA C. 98 mA D. 110 mA
5	Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.	A. Attraction of nucleus B. Collision with nuclei C. Interactions with electrons D. Electrostatic repulsion by the nucleus
6	x-rays cannot produce	A. Photoelectron B. Compton electron C. Electron positron pair D. All of these
7	A darling ion amplifier is characterized by	A. High voltage and current gain B. High input resistance and current gain C. High output resistant and current gain D. Low input resistance and current gain
8	The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.	A. The photoelectric effect B. The zeeman effect C. The Compton effect D. Quantum effect
9	The gama rays have	A. Thin tracks B. Thick tracks C. No definite tracks D. Continuous tracks
10	A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes	A. Zero B. Unity C. Double of its rest mass D. Infinity

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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 value of principal quantum number for an ionized atom is.

Induced fission result from the absorption of

The radius of first Bohr's orbit for hydrogen atom is.

The critical mass of fissionable uranium -235 can be reduced by

Which one of the following spectra series is in the ultraviolet region.

The unit of Rydberg constant R is

Transistor stands for

Radioactive substances do not emit

The total energy of the hydrogen atom is

The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.

The best shield against Gama rays would be of

The nucleus of tritium is called.

Tracer techniques make use of.

the gain of an amplifier is independent of

Specially designed solid state detector can be used to detect.

LED is a p-n junction that emits

An example of continuous spectrum is.

The energy that must be added to separate the nucleus is called.

Marie Curie and Pierre Curie discovered two new radioactive elements which are.

The relationship between mass number atomic number and neutron number is.

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

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Set 2

Set 3

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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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