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	A spectroscope sorts out	A. Atoms B. Molecules C. Elements D. Isotopes
2	Which of the following configuration of BJTs gives both voltage gain and current gain.	A. common Base B. Common Emtter C. Common collector D. All of the above
3	The emission of electrons from a metal surface when exposed to light of suitable frequency is called.	A. Pair production B. Compton effect C. Photo electric effect D. Zeeman effect
4	Transistors with various combinations are widely used as switches in.	A. electric generators B. Rectificers C. Amplifiers D. Computers
5	An operational amplifier have how many input terminals.	A. One B. Two C. Three D. Four
6	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
7	Special theory of relativity deals with the events in the frames of reference which move with constant.	A. Time interval B. Acceleration C. Momentum D. space interval
8	The SI unit of decay constant is.	A. m B. m-1 C. s-1 D. N m-1
9	X-rays are absorbed maximum by	A. Paper B. Copper C. Steel D. Lead
10	The change in wavelength of an X-ray when scattered from an electron is called.	A. Compton shift B. Doppler shift C. Stefan's law D. Fraunhofer lines

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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

Which of the following is not a mode of radioactive decay.

The half life of a radioactive substance depend on.

The reciprocal of decay constant lamda of a radioactive substances is equal to.

Negative feedback

In heavy elements of the periodic table the number of neutrons than protons are.

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

In an electronic transition atom cannot emit

What is the energy equivalent to amu in Me V

An example of continuous spectrum is.

A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

An AND gate is.

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

Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

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

The particles less in mass than protons are

In which of the following studies x-rays are not helpful.

Sub atomic particles which experience strong nuclear force are.

Radioactive decay series can be represents on

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

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Set 7

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Set 9

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Set 11

Set 12

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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A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes