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	One radian is equal to.	A. 0.1 Gy B. 0.01 Gy C. 0.001 Gy D. 0.0001 gy
2	From which radiation it is most difficult to protect oneslelf.	A. Alpha radiation B. Beta radiation C. Gama radiation D. Heat radiation
3	Particle which can be added to the nucleus of an atom with changing its chemical properties are called.	A. Electrons B. Protons C. Neutrons D. Alpha particles
4	In electromagnetic spectrum X-rays are next to.	A. Water waves B. Radio waves C. ultraviolet waves D. Infrared waves
5	The neutral atoms of all isotopes of the same element contain the same numbers of.	A. Electrons and protons B. Electrons and neutrons C. Neutrons D. Neutrons and protons
6	In n-p-n transistor the current flows in the direction from	A. Emitter to base B. emitter to collector C. Base to emitter D. Base to collector
7	When a platinum wire is heated of 1600^oC, it becomes	A. orange B. Cherry red C. Dull red D. White
8	In a cloud chamber the Alpha particles leave	A. Dense, straight and continuous tracks B. Only straight and continuous tracks C. Thin and discontinuous tracks D. Irregular tracks
9	The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.	A. Nuclear stability B. Radioactivity C. Carbon dating D. Spontaneously
10	Why hydrogen atom does not emit x-rays.	A. its size is very small B. It contains only single electron C. In it energy levels are for apart D. In it energy levels are close to each other

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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 exitance of more than one distinct state with the same energy is called.

The helium nucleus does not contain

If we use two diodes and a centre tapped transformer we eill get

The unit of Rydberg constant R is

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

Nuclear force as compared to electrostatic force is.

Neutrino9 is a particle with

Which experiment confirmed the de Broglie hypothesis.

The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by

LED is a p-n junction that emits

The photons emitted in inner shell transition are.

Radioactive substances do not emit

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

Radius of the Bother's orbit is r the radius of second orbit will be.

A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is

Which of the following particles leave no trail in a cloud chamber.

The output of two input OR gate is zero only when its.

If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.

The tunnel effect makes possible

Push pull amplifiers employ

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Set 17

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Set 19

Set 20

Set 21

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PPSC Physics Chapter 7 Important MCQ's

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