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 cannot produce	A. Photoelectron B. Compton electron C. Electron positron pair D. All of these
2	Besides U ²³⁵ what else is needed for making as atomic bomb.	A. Electons B. Protons C. Neutrons D. Photons
3	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.
4	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
5	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
6	The ionization energy for hydrogen atom is	A. -11.6 eV B. -12.6 eV C. -13.6 eV D. -19.6 eV
7	The energy in an electromagnetic wave is carried in the units called.	A. Protons B. Electrons C. Neutrons D. Nucleus
8	A unijunction transistor	A. Has only one junction B. Is a two terminal device C. Is fabricated from germanium D. Is fabricated fromuranium
9	Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.	A. Simultaneously B. Mass variation C. time dilation D. Length contraction
10	The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.	A. Molecular force B. Nuclear force C. Atomic force D. Gravitational force

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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

LED is a p-n junction that emits

At what speed the mass of a body will be doubled.

Which of the following is not an electromagnetic wave.

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.

The possible values of principal quantum number are.

For the normal operation of transistor the emitter base junction is always.

Matter waves

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

Which one of the following quantities is conserved in a nuclear reactor.

Hydrogen bomb is based on

X-rays are not used in RADARs because

Half life and mean lifetime of a radioactive element are.

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

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

The input resistance of a JFET is of the order of.

In de Brogile model electron orbit must form

The exitance of more than one distinct state with the same energy is called.

The continuous x rays spectrum is obtained due to

LASER is a device which can produce.

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

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 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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