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 total number nucleons in a nucleus are called.	A. Mass number B. Atomic number C. Neutron number D. Isotopes
2	The average energy released per fission of U is about	A. 200 eV B. 2 keV C. 2 MeV D. 200 MeV
3	A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes	A. Zero B. Unity C. Double of its rest mass D. Infinity
4	The phenomenon of radioactivity is associated with	A. Decay of nucleus B. Decay of atoms C. Fusion of nuclei D. Emission of electrons
5	Which of the following particles leave no trail in a cloud chamber.	A. Electrons B. Protons C. Alpha particles D. Neutrons
6	The binary equivalent of 25 is	A. 111001 B. 11001 C. 1001 D. 10101
7	A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.	A. 1 hour B. 1 day C. 1 week D. 1 month
8	The process of pair production will take place if the energy of photon is greater than	A. 0.21 MeV B. 0.51 MeV C. 1.51 MeV D. 1.21 MeV
9	Most widely used types of gas LASER are	A. Neon B. Argon ion C. Helium D. All of these
10	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

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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 constant lamda is called the.

x-rays cannot produce

In de Brogile model electron orbit must form

Emitter follower amplifier is an example of.

The change in wavelength of an X-ray when scattered from an electron is called.

Transistor stands for

The X-rays coming from a X-rays tube

In heavy elements of the periodic table the number of neutrons than protons are.

What is the scale for measurement of Banbridge mass spectrograph.

A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.

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

The process of pair production will take place if the energy of photon is greater than

Which one of the following has maximum frequency.

Which one of the following spectra series is in the ultraviolet region.

The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by

A darling ion amplifier is characterized by

the alpha particle does not travel for enough in air.

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

The unit Planck's constant is equivalent to that of.

Which one the following is not a component of a Bipolar junction Transistor

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

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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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