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	The process of energy generation in sun and stars is.	A. Fusion of heavy nuclei B. fusion of light nuclei C. Fission of light nuclei D. Solar panels
2	Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.	A. 13590 years B. 15190 years C. 17190 years D. 21190 years
3	The scientific theory concerning the coming into existence of universe.	A. Cosmology B. Cosmogony C. Cosmography D. Cosmos
4	Which of the following is the most commonly used regions of operations for a transistor.	A. Cut off B. Saturation C. Active D. All of these
5	Which of the following is invariant under Galilean transformation.	A. Velocity B. Impulse C. Momentum D. Distance
6	Which of the following describes that the time interval between two events may be different in different of references	A. Simullaneously B. Time dilation C. Length contraction D. Mass variation
7	If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.	A. Larger B. Smaller C. Zero D. Infinity
8	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
9	Two electrons approach each other their relative velocity will be.	A. Zero B. c C. c/2 D. Infinity
10	In potential for the material of cathode pure metals are rarely used because of their	A. Low reflecting power B. High reflecting power C. Low resolving power D. High resolving power

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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

Which given quantity remains the same in isotones.

As the mass number increases, the binding energy per nucleon in a nucleus

The half life of radium -226 is

During transition, atom cannot emit

The continuous X rays spectrum is due to an effect.

Which of the following detectors can count fast and operate at low voltage.

The part of theory of relativity which deals with accelerated bodies is called.

The SI unit of radioactivity is.

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

The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.

Which one among these contacts in a transistor is non rectifying.

The hyperfine lines in the spectrum relates to

A device used to determine mass of an isotope quite accurately is known as.

When of the following radiations are not emitted by electron transitions in atoms.

Most widely used types of gas LASER are

In fission reaction, heavy water is used as a

Atomic reactor is based on

The necessary condition for nuclear fusion is.

X-rays spectrum may be

A logic circuit whose output signal is '1' when inputs are different is.

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PPSC Physics Chapter 7 Important MCQ's

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