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	The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.	A. 1.22 MeV B. 2.22 MeV C. 3.22 Mev D. 4.22 MeV
2	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
3	At high temperature a body generally emits redactions of.	A. Small wavelengths B. Long wavelengths C. Moderates wavelengths D. Zero wavelengths
4	Two electrons approach each other their relative velocity will be.	A. Zero B. c C. c/2 D. Infinity
5	When a posirtron is emitted it causes.	A. Mass number to increase by one B. mass number to decrease by one C. Atomic number to decrease by one D. Atomic number to increase by one
6	Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.	A. Photoelectric effect B. Zeeman effect C. Shadow photography D. Ionization
7	The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.	A. Threshold frequency B. work function C. Wave number D. Kinetic energy
8	Sub atomic particles which experience strong nuclear force are.	A. Leptons B. Hadrons C. Mesons D. Quarks
9	Mean life of a radioactive sample is 100 s its half life will be	A. 0.693 s B. 1 s C. 6.93 s D. 69.3 s
10	The term used for the emission of electrons when light strikes a surface.	A. The zeeman effect B. The photo electric effect C. Skin effect D. Compton effect

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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 bunding energy per nucleon for iron is.

The radius of second orbit of hydrogen atom is

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.

The energy in an electromagnetic wave is carried in the units called.

In the experiment of production of X rays electrons are accelerated towards the anode by

The phenomenon of Compton's effect process that right has

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

Which BJT configurations used for signal inversion.

Alpha particles emitted from a radioactive material are.

Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.

The electrons behave as wave because.

The result of the alpha particle scattering experiment gave evidence for which of the following.

Which of the following has greatest binding energy per nucleon.

Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.

Which circuit elements has two stable states and can be used to store information.

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

What are isotopes.

The unit of Rydberg constant R is

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

Transistor stands for

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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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