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	X-rays are good for imagining	A. Tendons B. Brain C. Bones D. Heart
2	In a photocell, certain metals emit electrons for	A. Visible light B. X-rays C. Infrared light D. Ultraviolet light
3	When of the following radiations are not emitted by electron transitions in atoms.	A. Visible rays B. Ultraviolet rays C. Infrared radiations D. Alpha particles
4	Which of the following particles leave no trail in a cloud chamber.	A. Electrons B. Protons C. Alpha particles D. Neutrons
5	The neutral atoms of all isotopes of the same element contain the same numbers of.	A. Electrons and protons B. Electrons and neutrons C. Neutrons D. Neutrons and protons
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	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
8	What is the effect of electric and magnetic fields on X-rays	A. X-rays are deflected B. X-rays are not deflected C. X-rays are sometimes deflected and sometimes not D. Nothing can be said
9	The particles equal in mass or greater than protons are called.	A. Mesons B. Bosons C. Baryons D. Nucleons
10	The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.	A. Zeeman's effect B. Photoelectric effect C. Compton's effect D. Annihilation of matter

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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 energy of neutrons obtained during a fission reaction is.

The 'x' in X-rays means

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

The process of energy generation in sun and stars is.

Alpha particles are used for the treatment of skin of a patient due to.

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

The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.

The most convenient unit for energy at the atomic level is.

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

The wavelength of X-rays is of the ofder of.

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

A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes

The unit of Rydberg constant R is

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.

There are how many modes of operations of a BJT.

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

Atomic reactor is based on

Which of the following particles leave no trail in a cloud chamber.

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

The total number nucleons in a nucleus are called.

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

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Set 3

Set 4

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Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12

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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A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes