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 wavelength of X-rays is of the ofder of.	A. 10^-14 m B. 10^-10 m C. 10^-9 m D. 10^-6 m
2	The SI unit of decay constant is.	A. m B. m-1 C. s-1 D. N m-1
3	For an electron or position the rest mass energy is equal to.	A. 0.21 MeV B. 0.51 MeV C. 1.51 MeV D. 1.21 MeV
4	Which of the following can be used as an arrester in a nuclear reactor.	A. Graphite B. heavy water C. Uranium D. Cadmium
5	The SI unit of absorbed dose in.	A. Bel B. Weber C. Rem D. Grey
6	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
7	The half life of a radioactive substance as compared to its mean lif eis.	A. 30% B. 50% C. 70% D. 90%
8	Magnetic field does not cause deflection in	A. Alpha particle B. Beta minus particles C. Beta plus particles D. Gama rays
9	There are how many types of forces or interactions.	A. Two B. Three C. Four D. Five
10	Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.	A. Photoelectric effect B. Zeeman effect C. Shadow photography D. Ionization

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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 unit generally used for measuring astronomical distances is.

Which temperature is required for the fusion of two nuclides.

x-rays cannot produce

Critical mass is the minimum mass needed for

Which six particles and their antiparticles interact by the weak interaction.

The SI unit of absorbed dose in.

When an object moves with a very high speed the length in the direction of motion.

An Alpha particle is the same as

Which of the following properties is not exhibited by X-rays.

Which one of the following has the largest wavelength.

In potential for the material of cathode pure metals are rarely used because of their

There are how many modes of operations of a BJT.

Lines of Balmer series are emitted by hydrogen atom when the electron jumps from

In a cloud chamber the Alpha particles leave

Which given element has lowest work function

In a nuclear reactor chani reaction is controlled by introducing.

Which of the following is the most massive particle.

The chemical behavior of an atom is determined by

Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.

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

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

Set 1

Set 2

Set 3

Set 4

Set 5

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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