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	A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.	A. 1 hour B. 1 day C. 1 week D. 1 month
2	In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.	A. A very small charged nucleus B. electrons orbiting the nucleus C. Neutrons in the nucleus D. Nuclear reaction
3	Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.	A. longer that that of visible light B. Smaller than that of visible light C. Same as that of visible light D. Unpredictable
4	Sub atomic paticles whihc does not experience strong nuclear force are.	A. hadrons B. Photons C. Leptons D. Nucleons
5	If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.	A. cut of mode B. Amplification mode C. Saturation mode D. Inversion mode
6	The energy in an electromagnetic wave is carried in the units called.	A. Protons B. Electrons C. Neutrons D. Nucleus
7	The SI unit of radioactivity is.	A. Becquerl B. Curie C. Joule D. rutherford
8	Transistor are made from	A. Plastics B. Metals C. Insulators D. Doped semiconductors
9	Mosley's law establishes the X-rays fluorescence of target element with is.	A. Atomic weight B. Atomic number C. Density D. Lattice constant
10	If an object moves with velocity of light the apparent mass of the object as compared to list original mass is	A. greater B. Smaller C. Same D. zero

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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

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

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

Ebers-Moll model describes the working of a

A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is

A spectroscope sorts out

The input resistance of a JFET is of the order of.

The photons emitted in inner shell transition are.

The critical mass of fissionable uranium -235 can be reduced by

Which of the following phenomenon is explained by the tunnel efffect.

The SI unit of current gain is.

Transistors with various combinations are widely used as switches in.

Which particle interact via all fundamental forces.

Most widely used types of gas LASER are

Which experiment is a demonstration that matter and energy can display properties of both waves and particles.

Alpha particles are used for the treatment of skin of a patient due to.

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

Which particle has zero charge and zero rest mass.

Which BJT configurations used for signal inversion.

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

The energy delivered to the tissue per unit mass is called the absorbed dose of.

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 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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