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	Which of the following can be used as an arrester in a nuclear reactor.	A. Graphite B. heavy water C. Uranium D. Cadmium
2	An example of continuous spectrum is.	A. Black body radiation spectrum B. Molecular spectra C. Atomic spectra D. All of the above
3	A perfect back body	A. Is a perfect absorber of all radiations B. Is a perfect reflector of all radiations C. Is a perfect reflector of visible lights radiations D. Is a brownish object
4	A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.	A. 1 hour B. 1 day C. 1 week D. 1 month
5	The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.	A. Nuclear fission B. nuclear fusion C. Radioactivity D. Carbon dating
6	The path of Gama rays in Wilson cloud chamber is	A. Irregular B. Dense and straight C. Thin and continuous D. Thin and discontinuous
7	How much large is the proton mass than the electron mass.	A. 1536 B. 1636 C. 1736 D. 1836
8	A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.	A. 25 g B. 50 g C. 75 g D. 100 g
9	In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.	A. Radioactivity B. Radioactivity dating C. Nuclear fusion D. Nuclear fission
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

Sub atomic particles which experience strong nuclear force are.

48 days after the receipt the amount of iodine -131 left behind is only.

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

The emission of Beta particle from protonium -218 results in the formation of.

The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.

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

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

Low frequency response of an amplifier is mainly limited by.

Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.

The change in wavelength of an X-ray when scattered from an electron is called.

X-rays are also used for

What is the effect of electric and magnetic fields on X-rays

The electron behave an waves because

An oscillator is basically an amplifier with loop gain

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

How much large is the proton mass than the electron mass.

In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.

Which is the famous standard model of the universe.

Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.

How positives feedback will effect an amplifier.

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Set 15

Set 16

Set 17

Set 18

Set 19

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Set 21

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PPSC Physics Chapter 7 Important MCQ's

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