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 particle has zero charge and zero rest mass.	A. Neutron B. Proton C. Electron D. Photon
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 unit of Rydberg constant R is	A. m B. m3 C. m^-1 D. m-2
4	In the experiment of production of X rays electrons are accelerated towards the anode by	A. Thermionic emission B. Potential difference C. Breaking potential D. Cut of current
5	The maximum K.E of photo electrons depends upon	A. Energy of incident radation B. Frequency of incident radiation C. Wavelength of incident radiation D. Mass of incident radiation
6	A slow neutron can cause fission in	A. Uranium -238 B. Uranium-235 C. Hydrogen-1 D. Thorium -232
7	The X-rays coming from a X-rays tube	A. Is monochromatic B. Has all wavelengths smaller than a certain maximum wavelength C. Has all wavelengths greater than a certain maximum wavelength D. has all wavelengths minimum than a certain maximum wavelength
8	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
9	When using the formula E = h lambda what unit should energy have.	A. Joule B. Watt second C. Newton metre D. Electron volt
10	Half life and mean lifetime of a radioactive element are.	A. Equal to each other B. Inversely proportional to each other C. Directly proportional to each other D. Not related 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

In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.

From which radiation it is most difficult to protect oneslelf.

A device used to determine mass of an isotope quite accurately is known as.

X-rays are

An operational amplifier can be used as a

The converse of pair production is

The hyperfine lines in the spectrum relates to

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

In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.

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

As the mass number increases, the binding energy per nucleon in a nucleus

Particle which can be added to the nucleus of an atom with changing its chemical properties are called.

A solid state detector is basically

An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.

The advantage of electron tube over a transistor is.

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

Isotopes are the atoms of the same elements which contain equal number of.

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

The necessary condition for nuclear fusion is.

LED is a p-n junction that emits

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

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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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