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	The gama rays have	A. Thin tracks B. Thick tracks C. No definite tracks D. Continuous tracks
2	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
3	Which of the following wavelength lies in X-rays region.	A. 1 A B. 100 A C. 1,000 A D. 10,000 A
4	A logic circuit with one input and one output that inverts the input signal at the output is.	A. AND gate B. NOT gate C. OR gate D. NOR gate
5	Radioactive substances do not emit	A. Alpha particles B. Beta particles C. Gama rays D. Neutrons
6	The input exultation for a JFET is	A. Current signal B. Voltage signal C. Voltage and current signals D. Neither voltage nor current signal
7	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
8	The process of energy generation in sun and stars is.	A. Fusion of heavy nuclei B. fusion of light nuclei C. Fission of light nuclei D. Solar panels
9	The exitance of more than one distinct state with the same energy is called.	A. Exigency B. Degeneracy C. Normally D. Emergency
10	When Photon incident on a metal produce the emission of electrons the process is called.	A. Photo electric effect B. Pair production C. x-rays production D. Gama ray production

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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

Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.

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

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

The chemical behavior of an atom is determined by

The 'x' in X-rays means

Why transistor is preferred to triode valve for use as an amplifier.

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

The back ground radiation in the atmosphere on the average is

The most convenient unit for energy at the atomic level is.

Nuclear force as compared to electrostatic force is.

The ionization potential of hydrogen atom is.

Induced fission result from the absorption of

Which particle are not emitted by a radioactive substance.

The value of principal quantum number for an ionized atom is.

A transistor can be used as

A logic circuit whose output signal is '1' when inputs are different is.

A unijunction transistor

In order to reduce uncertainty in momentum one must use light of.

The particles equal in mass or greater than protons are called.

Current gain of a CE amplifier is 50, ITS hfe is about

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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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