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.

MCQ's Test For PPSC Physics Topic 7 Modern Physics

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PPSC Physics Topic 7 Modern Physics

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Question # 1

Current gain of a CE amplifier is 50, ITS hfe is about

Question # 2

Which is the famous standard model of the universe.

Question # 3

What is the energy equivalent to amu in Me V

Question # 4

Phenomenon of radioactivity is due to disintegration of.

Question # 5

As oscillator is basically an amplifier with loop gain

Question # 6

Usually in an operational amplifier the inputs used are of

Question # 7

The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.

Question # 8

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

Question # 9

The most abundant isotope of neon is.

Question # 10

The bunding energy per nucleon for iron is.

Question # 11

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

Question # 12

X-ray are

Question # 13

Isotopes are the atoms of the same elements which contain equal number of.

Question # 14

The ionization energy for hydrogen atom is

Question # 15

From which radiation it is most difficult to protect oneslelf.

Question # 16

In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.

Question # 17

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

Question # 18

The value of open loop gain for the amplifier is

Question # 19

Critical mass is the minimum mass needed for

Question # 20

Nuclear force exists between

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An important property of an ideal power supply is.
A. Infinite internal resistance
B. Zero internal resistance
C. Large output resistance
D. Small output resistance
2 In heavy elements of the periodic table the number of neutrons than protons are.
A. Lesser
B. Greater
C. Equal
D. Undetermined
3 The exitance of more than one distinct state with the same energy is called.
A. Exigency
B. Degeneracy
C. Normally
D. Emergency
4 In Compton's effect it was considered that X-rays consist of
A. Electrons
B. Holes
C. Neutrons
D. Protons
5 X-rays used for
A. Cutting boring and precision welding
B. Retina stitching in eye operations
C. Detecting heavy elements under the earth
D. Deflecting flaws in welding and casting
6 The path of electron in Rutherford atomic model according to classical theory a.
A. Parabolic
B. Straight line
C. Spiral
D. Circular
7 Binding energy per nucleon is.
A. Greatest for heavy nuclei
B. Least for heavy nuclei
C. Greatest for light nuclei
D. Greatest for medium weight nuclei
8 The most familiar example of radioactive dating is.
A. Nitrogen dating
B. Carbon dating
C. Hydrogen dating
D. Helium dating
9 The ionization potential of hydrogen atom is.
A. 10.2 V
B. 13.6 V
C. 12.97 V
D. 27.2 V
10 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

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