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	Radio carbon in the atmosphere is produced by the bombardment of.	A. Oxygen by high energy neutrons B. Oxygen by high energy protons C. Nitrogen by high energy protons D. Nitrogen by high energy neutrons
2	The mass of an helium nucleus is equal to.	A. 2.0015 u B. 3.0015 u C. 4.0015 u D. 5.0015 u
3	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
4	During transition, atom cannot emit	A. Visible light B. Ultraviolet radiation C. Infrared radiations D. gama rays
5	The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.	A. 2 mg B. 4 mg C. 8 mg D. 18 mg
6	In de Brogile model electron orbit must form	A. Spectrum B. Wave packets C. Franhoffer lines D. Clouds
7	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
8	In an electronic transition atom cannot emit	A. Gama rays B. Visible rays C. Infrared rays D. Ultraviolet rays
9	When Photon incident on a metal produce the emission of electrons the process is called.	A. Photo electric effect B. Pair production C. x-rays production D. Gama ray production
10	X-rays used for	A. Cutting boring and precision welding B. Retina stitching in eye operations C. Detecting heavy elements under the earth D. Deflecting flaws in welding and casting

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

Which of the following quantities is discrete according to Bohr's hypothesis.

The most readily fissionable isotope of uranium has atomic mass of

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

An Alpha particle is the same as

The continuous x rays spectrum is obtained due to

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

Specially designed solid state detector can be used to detect.

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

In the fusion process, there are

What are isotopes.

Which one the following is not a component of a Bipolar junction Transistor

The gama rays have

When an electron and a positron are annihilated, then number of protons produced is.

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

Which of the following has greatest binding energy per nucleon.

Which of the following is deflected by an electric field.

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

In which of the following controlled nuclear chain reaction is used to liberate energy.

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

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Set 21

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PPSC Physics Chapter 7 Important MCQ's

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