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	In the experiment of production of X rays electrons are accelerated towards the anode by	A. Thermionic emission B. Potential difference C. Breaking potential D. Cut of current
2	The Inner electrons in heavy atoms can be disturbed and dislodged by.	A. X rays B. Alpha particle C. Beta particles D. gama particles
3	The simple form of particle accelerator is.	A. Cathode ray tube B. Oscillator C. _Amplifier D. Phase locked loop
4	In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.	A. Tunneling B. Thermal runway C. Pinch off D. Early effect
5	Which of the following detectors can count fast and operate at low voltage.	A. G.M Counter B. Cloud chamber C. Solid state detector D. Bubble chamber
6	Hydrogen bomb is based on	A. Controlled chain reaction B. Uncontrolled chain reaction C. Nuclear fusion D. Nuclear fission
7	The maximum K.E of photo electrons depends upon	A. Energy of incident radation B. Frequency of incident radiation C. Wavelength of incident radiation D. Mass of incident radiation
8	Which type of amplifier causes minimum drain of power supply.	A. Class -A B. Class -B C. Class-C D. Class -AB
9	A single quantum of electromagnetic radiation is termed as.	A. Compton B. Photon C. Hyperon D. Meson
10	Which of the following is deflected by an electric field.	A. Alpha particles B. X rays C. Gama rays D. Neutrons

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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

The wavelength of Lyman series for hydrogen spectrum lies in the.

Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.

One gray is equal to.

How many types of quarks were suggested i 1964 quark theory.

The usefulness of X rays is largely due to their

An oscillator is basically an amplifier with loop gain

The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.

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

In the experiment of production of X rays electrons are accelerated towards the anode by

The mass defect of Bohr's atomic model is

Which of the following is formed by decay of a free neurton.

Which type of amplifier causes minimum drain of power supply.

When objects placed in a room are exposed to X- rays they appear

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

Which of the following radiations can penetrate 20 cm thick steel.

Work function is generally expressed in.

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

The reciprocal of decay constant lamda of a radioactive substances is equal to.

The binary equivalent of 25 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.

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

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Set 11

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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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