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	Induced fission result from the absorption of	A. electron B. Proton C. Nucleon D. Neutron
2	Which of the following is the most commonly used regions of operations for a transistor.	A. Cut off B. Saturation C. Active D. All of these
3	Which quantity remains fixed in isobars.	A. Mass number B. Atomic number C. Number of neutrons D. Number of protons
4	An AND gate is.	A. Equivalent to a series switching circuit. B. Equivalent to a parallel switching circuit C. Equivalent ot universal gate D. A reciprocal of NAND gate
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	The result of the alpha particle scattering experiment gave evidence for which of the following.	A. Nuclear fusion B. Radio active decay C. Existence of isotopes D. Nuclear atom
7	The SI unit of absorbed dose in.	A. Bel B. Weber C. Rem D. Grey
8	In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.	A. Tunneling B. Thermal runway C. Pinch off D. Early effect
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	In a fission reactor which particle causes a uranium -235 nucleus to split.	A. Alpha particle B. Gama ray C. Neutron D. Proton

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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

Compton scattering experiment seemed to indicate that radiation had

The division and germier experiment relates to

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

The nucleus of tritium is called.

A solid state detector is basically

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

In Compton's effect the change in wavelength of a scattered photon is called.

Transistor are made from

Usually in an operational amplifier the inputs used are of

One radian is equal to.

Which quantity remains fixed in isobars.

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

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

When Photon incident on a metal produce the emission of electrons the process is called.

In order to reduce uncertainty in momentum one must use light of.

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.

Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.

In an electronic transition atom cannot emit

In fission reaction, heavy water is used as a

The maximum K.E. with which photoelectrons are emitted depends very strongly on the.

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

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Set 15

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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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