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	If we use two diodes and a centre tapped transformer we eill get	A. Transistor B. Amplifier C. Half wave rectifier D. Full wave rectifier
2	Binding energy per nucleon is.	A. Greatest for heavy nuclei B. Least for heavy nuclei C. Greatest for light nuclei D. Greatest for medium weight nuclei
3	The energy equivalent of 1 kg of matter a	A. 10^-15 J B. 1 J C. 10¹²J D. 10¹⁷ J
4	Which one of the following quantities is conserved in a nuclear reactor.	A. Energy only B. Mass only C. Momentum only D. Mass energy and momentum
5	In which of the following studies x-rays are not helpful.	A. Crystal structure B. Crystal surface C. Crystal symmetry D. Crystal atoms
6	The advantage of electron tube over a transistor is.	A. Its high efficiency B. Its high gain C. Low consumption of power D. Low input impedance
7	On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.	A. Target material B. Accelerating voltage C. Filament temperature D. Separation between target and the filament
8	When a beta particle travels though a medium it knocks out electrons from the atoms due to.	A. Gravitational force of attraction B. Electrostatic force of repulsion C. Nuclear force D. Electromagnetic induction
9	The resistance between(+) and (-) inputs of an amplifier is.	A. Zero B. Low C. High D. Infinity
10	Nuclear force as compared to electrostatic force is.	A. Weaker and long range B. Weaker and short range C. Stronger and longer range D. Stronger and short range

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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

A gama ray of energy 1900 MeV is absorbed by

The energy that must be added to separate the nucleus is called.

The absorption of X-rays in a given material follows.

The Compton effect in X-rays proves that

In radiotherapy X-rays are used to.

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

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

The total energy of an electron in an orbit around the nucleus is.

In a cloud chamber the Alpha particles leave

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

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

48 days after the receipt the amount of iodine -131 left behind is only.

A perfect back body

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

The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.

An example of continuous spectrum is.

Photocells are used for

Which of the following is deflected by an electric field.

The resistance between(+) and (-) inputs of an amplifier is.

The most suitable material for moderator in a nuclear reactor is.

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

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Set 9

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Set 12

Set 13

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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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