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	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
2	The energy in an electromagnetic wave is carried in the units called.	A. Protons B. Electrons C. Neutrons D. Nucleus
3	The mass of an helium nucleus is equal to.	A. 2.0015 u B. 3.0015 u C. 4.0015 u D. 5.0015 u
4	The electron behave an waves because	A. They can be diffracted by a crystal B. They can produce ions in gases C. They can be deflected by magnetic field D. They can be deflected by electric field
5	Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.	A. 1 mA B. 100 mA C. 98 mA D. 110 mA
6	The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by	A. Dividing by 931 B. Multiplying by 931 C. Diving by 391 D. Multiplying by 391
7	The capture of neutron by a proton results in the formation of.	A. Deuteron and gama rays B. Deuteron and alpha particle C. Triton and Beta particles D. Tritron and X rays
8	The usefulness of X rays is largely due to their	A. Mass B. Density C. Volume D. Penetrating power
9	Which of the following detectors can count fast and operate at low voltage.	A. G.M Counter B. Cloud chamber C. Solid state detector D. Bubble chamber
10	When of the following radiations are not emitted by electron transitions in atoms.	A. Visible rays B. Ultraviolet rays C. Infrared radiations D. Alpha particles

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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

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

Bohr's atomic model assumes

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

Critical mass is the minimum mass needed for

Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.

X-rays are not used in RADARs because

Which particle has zero charge and zero rest mass.

The critical mass of fissionable uranium -235 can be reduced by

Which temperature is required for the fusion of two nuclides.

Which of the following radiations can penetrate 20 cm thick steel.

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

A solid state detector is basically

In electromagnetic spectrum X-rays are next to.

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

Which type of amplifier causes minimum drain of power supply.

Which of the following is the most commonly used regions of operations for a transistor.

A perfect back body

Which given quantity remains the same in isotones.

The SI unit of decay constant is.

The term used for the emission of electrons when light strikes a surface.

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

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Set 7

Set 8

Set 9

Set 10

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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