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	Which given element has lowest work function	A. Na B. Al C. si D. C
2	If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.	A. cut of mode B. Amplification mode C. Saturation mode D. Inversion mode
3	In fission reaction, heavy water is used as a	A. Coolant B. Moderator C. Heat exchanger D. Controller of reaction rate
4	Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits	A. Radiowaves B. Alpha particles C. Beta particles D. gama particles
5	During the alpha decay process	A. A neutron is emitted B. a electron is emitted C. A helium core is emitted D. A proton core is emitted
6	The term used for the emission of electrons when light strikes a surface.	A. The zeeman effect B. The photo electric effect C. Skin effect D. Compton effect
7	An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.	A. Rectifier B. Amplifier C. Thermocouple D. Transistor
8	Hydrogen bomb is based on	A. Controlled chain reaction B. Uncontrolled chain reaction C. Nuclear fusion D. Nuclear fission
9	In Compton's effect it was considered that X-rays consist of	A. Electrons B. Holes C. Neutrons D. Protons
10	What is the basic advantage of class A operation of an amplifier.	A. It has high efficiency B. It has high gain C. It has low distortion D. It has high distortion

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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

At high temperature a body generally emits redactions of.

Neutrino9 is a particle with

Which of the following phenomenon cannot be understood by quantum theory.

A transistor can be used as

Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.

One becquerel is equal to

A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.

Compton scattering experiment seemed to indicate that radiation had

A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.

The half life of uranium -238 is

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

Which of the following is its own anti particle.

The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.

In an electronic transition atom cannot emit

The exitance of more than one distinct state with the same energy is called.

Usually in an operational amplifier the inputs used are of

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

In annitilation of matter, positron and electron pair disappears into two

A spectroscope sorts out

Cosmic rays mostly comprise of

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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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