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	What are isotopes.	A. Atoms of the same element with different numbers of neutrons. B. Atoms of the same element with different numbers of protons. C. Atoms which are radioactive D. Atoms which have gained or lost an electron
2	In a cloud chamber the Alpha particles leave	A. Dense, straight and continuous tracks B. Only straight and continuous tracks C. Thin and discontinuous tracks D. Irregular tracks
3	Atomic reactor is based on	A. Controlled chain reaction B. Uncontrolledly chain reaction C. Nuclear fission D. Nuclear fusion
4	Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.	A. Archimede's principle. B. Heisenberg uncertainty principle C. Mosley's law D. Schrodinger's wave equation
5	The process by which nuclei emit a ,b and gama rays in order to attain stability is called.	A. Radioactive disintegration B. Radio activity C. B decay D. Radioactive transmulation
6	The energy equivalent of 1 kg of matter a	A. 10^-15 J B. 1 J C. 10¹²J D. 10¹⁷ J
7	An operational amplifiers will act as an inverting amplifier when the input signal is connected to.	A. Inverting terminal B. Non inverting terminal C. Earthened wire D. Both a and b
8	The rest mass of a particle is independent of the	A. Wavelength of the particle B. Mass of the particle C. Speed of the particle D. Energy of the particle
9	In CE amplifier phased reversal occurs when the output voltage is taken between	A. Base and collector B. Base and emitter C. Collector and emitter D. None of the terminals
10	The reciprocal of decay constant lamda of a radioactive element is.	A. Half life B. Mean life C. Total life D. Curie

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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

Which one of the following has maximum frequency.

When Be is bombarded by alpha particles, then we obtain

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

Which of the following can be used as an arrester in a nuclear reactor.

In a transistor which one is very thin.

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

NOR gate is a combination of.

The electrons behave as wave because.

The value of open loop gain for the amplifier is

The mass of proton is equal to.

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

What is the effect of electric and magnetic fields on X-rays

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

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

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

The potential due to which an electron is lifted from gerund state to excited state is.

When a beta particle travels though a medium it knocks out electrons from the atoms due to.

In Compton's effect it was considered that X-rays consist of

In CE amplifier phased reversal occurs when the output voltage is taken between

The half life of a radioactive substance as compared to its mean lif eis.

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

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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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