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 Class Physics Chapter 7 Important MCQ's

Sr.#	Question	Answer
1	Which particle are not emitted by a radioactive substance.	A. Alpha particles B. Beta particles C. Gama particles D. Neutrons
2	As the mass number varies, which of the quantities does not change w.r.t nucleus.	A. Mass B. Volume C. Binding energy D. Density
3	The Beta particles move along.	A. Straight path B. Curved path C. Zig Zag path D. Circular path
4	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
5	Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.	A. 20 minutes B. 40 minutes C. 80 minutes D. 120 minutes
6	Which of the following is required for maintaining sustained chain reaction.	A. Neutrons B. Protons C. Electrons D. Photons
7	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.	A. 25 g B. 50 g C. 75 g D. 100 g
8	As oscillator is basically an amplifier with loop gain	A. Zero B. Infinity C. Less than unity D. More than unity
9	What do we study by crystallography.	A. The analysis of X ray spectra of elements and study of crystal structure. B. Visible spectra of sources and crystal study C. Ultraviolet spectra of sources and crystal study D. Characteristics of X-rays
10	LASER beam my be measure very large distance because it is.	A. Inidirectional B. coherent C. Monochromatic D. Not absorbed

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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 electrons behave as waves, because they can .

For the normal operation of transistor the emitter base junction is always.

LASER is a device which can produce.

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

The path of electron in Rutherford atomic model according to classical theory a.

Alpha particles are

White light a tungsten filament lamp is passed through sodium vapor and viewed through a diffraction gritting Which of the following best describes the spectrum which would be seen.

Which of the following can be used as an arrester in a nuclear reactor.

The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.

The process by which nuclei emit a ,b and gama rays in order to attain stability is called.

The total number nucleons in a nucleus are called.

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

The ionization potential of hydrogen atom is.

The emission of Beta particle from protonium -218 results in the formation of.

The process of conversation of a photon into an electron and a position is called.

When a platinum wire is heated of 1600 oC, it becomes

The capture of neutron by a proton results in the formation of.

Mosley's law establishes the x rays fluorescence's of target element with its.

In CE amplifier phased reversal occurs when the output voltage is taken between

In electromagnetic spectrum X-rays are next to.

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

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PPSC Class Physics Chapter 7 Important MCQ's

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