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	When Be is bombarded by alpha particles, then we obtain	A. electron B. Proton C. Positron D. Neutron
2	The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.	A. Nuclear fission B. nuclear fusion C. Radioactivity D. Carbon dating
3	An example of continuous spectrum is.	A. Black body radiation spectrum B. Molecular spectra C. Atomic spectra D. All of the above
4	The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.	A. 0.5 g B. 1.2 g C. 3.0 g D. 6.0 g
5	The back ground radiation in the atmosphere on the average is	A. 0.5 Sv per year B. 1.0 Sv per year C. 1.5 Sv per year D. 2.0 Sv per year
6	When a platinum wire is heated of 1600^oC, it becomes	A. orange B. Cherry red C. Dull red D. White
7	Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.	A. Simultaneously B. Mass variation C. time dilation D. Length contraction
8	When Photon incident on a metal produce the emission of electrons the process is called.	A. Photo electric effect B. Pair production C. x-rays production D. Gama ray production
9	The binary equivalent of 25 is	A. 111001 B. 11001 C. 1001 D. 10101
10	In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.	A. Radioactivity B. Radioactivity dating C. Nuclear fusion D. Nuclear fission

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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

The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.

During transition, atom cannot emit

The binding energy per nucleon for uranium is about.

When Be is bombarded by alpha particles, then we obtain

The hyperfine lines in the spectrum relates to

The result of the alpha particle scattering experiment gave evidence for which of the following.

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

Which particle has zero charge and zero rest mass.

X-rays travel with

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.

Why transistor is preferred to triode valve for use as an amplifier.

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

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

Bohr's atomic model assumes

Which type of radiation would be stopped completely by a thin piece of cardboard.

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

Transistors with various combinations are widely used as switches in.

The best shield against Gama rays would be of

Which of the following is not an electromagnetic wave.

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

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Set 13

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Set 15

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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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