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	Which of the following are particle accelerators.	A. Cyclotrons B. Synchrotrons C. Linear accelerators D. All of the above
2	LASER beam my be measure very large distance because it is.	A. Inidirectional B. coherent C. Monochromatic D. Not absorbed
3	The SI unit of equivalent dose is	A. Seivert B. Gray C. Radian D. Rem
4	Compton scattering experiment seemed to indicate that radiation had	A. Wave nature B. Particle nature C. Wave particle nature D. X-rays nature
5	In heavy elements of the periodic table the number of neutrons than protons are.	A. Lesser B. Greater C. Equal D. Undetermined
6	The relationship between mass number atomic number and neutron number is.	A. A = Z + N B. A = Z - N C. Z = A + N D. N = Z - A
7	The emission of electrons from a metal surface when exposed to light of suitable frequency is called.	A. Pair production B. Compton effect C. Photo electric effect D. Zeeman effect
8	How many types of quarks were suggested i 1964 quark theory.	A. Two B. Three C. Four D. Five
9	In fission reaction, heavy water is used as a	A. Coolant B. Moderator C. Heat exchanger D. Controller of reaction rate
10	The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.	A. Faraday energy B. Wave number C. Ionization Potential D. Excitation potential

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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 quantity remains fixed in isobars.

When an electron and a positron are annihilated, then number of protons produced is.

NOR gate is a combination of.

X-rays travel with

Negative feedback

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

In electromagnetic spectrum X-rays are next to.

In n-p-n transistor the current flows in the direction from

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

Which particle interact via all fundamental forces.

The absorption of X-rays in a given material follows.

LED is a p-n junction that emits

The nucleus of tritium is called.

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

The critical mass of a fission reaction is.

The binary equivalent of 25 is

Which of the following circuits is used as local oscillator in radio receivers.

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

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

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.

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

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Set 2

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Set 4

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Set 7

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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

Test Questions

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