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	Sub atomic paticles whihc does not experience strong nuclear force are.	A. hadrons B. Photons C. Leptons D. Nucleons
2	One radian is equal to.	A. 0.1 Gy B. 0.01 Gy C. 0.001 Gy D. 0.0001 gy
3	The SI unit of current gain is.	A. Ampere B. Ampere metre C. Ampere volt D. It has no unit
4	Phenomenon of radioactivity is due to disintegration of.	A. Proton B. Neutron C. electron D. nucleus
5	An increase in frequency above threshold frequency results in.	A. Increase in photo electric current B. Increase in K.E. of electrons C. Decrease in photoelectric current D. Decreases in K.E. of electrons
6	Radioactivity is the phenomenon associated with the.	A. Transition of radiowaves B. production of alpha particles only C. Decay of nucleus D. Reception of radio waves
7	The path of Gama rays in Wilson cloud chamber is	A. Irregular B. Dense and straight C. Thin and continuous D. Thin and discontinuous
8	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
9	Which of the following is formed by decay of a free neurton.	A. A number of electrons B. Two protons C. A proton and an electron D. An alpha particle
10	Which one of the following quantities is conserved in a nuclear reactor.	A. Energy only B. Mass only C. Momentum only D. Mass energy and momentum

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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

Particle which can be added to the nucleus of an atom with changing its chemical properties are called.

Work function is generally expressed in.

What is the quantitative description of the effect of radiation on the living tissue.

When Photon incident on a metal produce the emission of electrons the process is called.

In a nuclear reactor chani reaction is controlled by introducing.

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.

How many types of quarks were suggested i 1964 quark theory.

Why hydrogen atom does not emit x-rays.

Induced fission result from the absorption of

The possible values of principal quantum number are.

The average energy released per fission of U is about

At what speed the mass of a body will be doubled.

the wavelength of continuous X-rays is inversely proportional to.

X-rays are not used in RADARs because

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

In the fusion process, there are

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

Tracer techniques make use of.

When a beta particle travels though a medium it knocks out electrons from the atoms due to.

Emitter follower amplifier is an example of.

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Set 21

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PPSC Physics Chapter 7 Important MCQ's

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