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 most convenient unit for energy at the atomic level is.	A. Joule B. Watt second C. Newton metre D. Electron volt
2	Which type of radiation would be stopped completely by a thin piece of cardboard.	A. Alpha particles B. Beta particles C. Gama rays D. X -rays
3	An emitter follower has	A. High input impedance and high output impedance B. High input impedance and low output impedance C. Low input impedance and low output impedance D. Low input impedance and high output impedance
4	A CE amplifier with by passed emitter resistor is an example of.	A. Current series feedback B. Voltage sires feed back C. Current shunt feedback D. Voltage shunt feed back
5	In radiotherapy X-rays are used to.	A. Treat cancer B. Delect bone fracture C. Cure heart diseasee D. All of the above
6	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
7	The reciprocal of decay constant lamda of a radioactive element is.	A. Half life B. Mean life C. Total life D. Curie
8	Cosmic rays mostly comprise of	A. Neutral particles B. Negative charged particles C. Positively charged particles D. Ions
9	The necessary condition for nuclear fusion is.	A. High temperature and high pressure. B. Low temperature and high pressure C. Low temperature and low pressure D. High temperature and low pressure.
10	Which of the following wavelength lies in X-rays region.	A. 1 A B. 100 A C. 1,000 A D. 10,000 A

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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

Transistor stands for

What will be excitation energy in the third orbit of hydrogen atom.

What do we study by crystallography.

Which of the following is not a mode of radioactive decay

Besides U 235 what else is needed for making as atomic bomb.

An example of continuous spectrum is.

The maximum energy of emitted photoelectron is measured by

During transition, atom cannot emit

Which given element has lowest work function

Tracer techniques make use of.

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

The converse of pair production is

The emission of photons by a metal when electrons are incident is called.

The advantage of electron tube over a transistor is.

Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.

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

LASER beam my be measure very large distance because it is.

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

Which quantity remains fixed in isobars.

The energy in an electromagnetic wave is carried in the units 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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Besides U ²³⁵ what else is needed for making as atomic bomb.