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	When an object moves with a very high speed the length in the direction of motion.	A. Contracts B. Expands C. Remains the same D. Becomes infinity
2	Which of the following radiations can penetrate 20 cm thick steel.	A. Alpha particles B. Beta particles C. Gama particles D. Neutrons
3	The gama rays have	A. Thin tracks B. Thick tracks C. No definite tracks D. Continuous tracks
4	Which of the following phenomenon cannot be understood by quantum theory.	A. Photo electric effect B. Compton effect C. X-Rays production D. Interference
5	A device used to determine mass of an isotope quite accurately is known as.	A. Spectrometer B. Mass spectrometer C. Mass detector D. Electronic balance
6	A perfect back body	A. Is a perfect absorber of all radiations B. Is a perfect reflector of all radiations C. Is a perfect reflector of visible lights radiations D. Is a brownish object
7	An AND gate is.	A. Equivalent to a series switching circuit. B. Equivalent to a parallel switching circuit C. Equivalent ot universal gate D. A reciprocal of NAND gate
8	Which temperature is required for the fusion of two nuclides.	A. 10⁶ K B. 10⁷K C. 10⁸K D. 10 ⁹ K
9	Marie Curie and Pierre Curie discovered two new radioactive elements which are.	A. Uranium and radkum B. Platinum and radium C. Polonium and radium D. Crypton and radon
10	Lines of Balmer series are emitted by hydrogen atom when the electron jumps from	A. The first orbit to any other orbit B. Higher orbits to second orbit C. Higher orbits to first orbit D. The third orbit to higher orbit

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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

When of the following radiations are not emitted by electron transitions in atoms.

The relationship between mass number atomic number and neutron number is.

A solid state detector is basically

What are isotopes.

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

The SI unit of current gain is.

Which of the following has greatest binding energy per nucleon.

In a nuclear reactor chani reaction is controlled by introducing.

The value of open loop gain for the amplifier is

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

There are how many types of forces or interactions.

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.

Which type of amplifier causes minimum drain of power supply.

If an object moves with velocity of light the apparent mass of the object as compared to list original mass is

Mean life of a radioactive sample is 100 s its half life will be

X-rays used for

The part of theory of relativity which deals with accelerated bodies is called.

The process of energy generation in sun and stars is.

One particle having zero mass and zero charge is.

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

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 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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