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 is formed by decay of a free neurton.	A. A number of electrons B. Two protons C. A proton and an electron D. An alpha particle
2	Which of the following propagates at the same speed as velocity of light.	A. Heat waves B. Sound waves C. Shock waves D. Beta particles
3	Atomic reactor is based on	A. Controlled chain reaction B. Uncontrolledly chain reaction C. Nuclear fission D. Nuclear fusion
4	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
5	Which of the following is not an electromagnetic wave.	A. game rays B. Ultraviolet rays C. Ultrasonic waves D. Microwaves
6	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
7	Which both elements are good for nuclear fission.	A. Thorium an uranium B. Thorium and radium C. Plutonium and uranium D. Plutonium and throrium
8	Which one of the following is a convenient energy unit to express the energy of sub atomic particles.	A. Joule B. electron volt C. Watt D. Curie
9	In a nuclear reactor chani reaction is controlled by introducing.	A. Iron rods B. Cadmium rods C. Graphite rods D. Platinum rods
10	The path of Gama rays in Wilson cloud chamber is	A. Irregular B. Dense and straight C. Thin and continuous D. Thin and discontinuous

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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

An oscillator is basically an amplifier with loop gain

Which one of the following gates in a a universal gate.

If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.

Alpha particles are

The path of Gama rays in Wilson cloud chamber is

LASER is a device which can produce.

The total energy of the hydrogen atom is

The neutral atoms of all isotopes of the same element contain the same numbers of.

The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.

Which of the following is required for maintaining sustained chain reaction.

When a helium atom loses an electron it becomes.

Which of the following describes that the time interval between two events may be different in different of references

The chain reaction is controlled by a series of rods usually made of.

Which of the following configuration of BJTs gives both voltage gain and current gain.

A single quantum of electromagnetic radiation is termed as.

Special theory of relativity deals with the events in the frames of reference which move with constant.

The continuous x rays spectrum is obtained due to

One particle having zero mass and zero charge is.

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

When we pass a radiation from a radioactive material through an electric field.

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

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Set 7

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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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