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	Which one among these contacts in a transistor is non rectifying.	A. Base B. Emitter C. Collector D. None of these
2	Magnetic field does not cause deflection in	A. Alpha particle B. Beta minus particles C. Beta plus particles D. Gama rays
3	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
4	What is the basic advantage of class A operation of an amplifier.	A. It has high efficiency B. It has high gain C. It has low distortion D. It has high distortion
5	The gama rays have	A. Thin tracks B. Thick tracks C. No definite tracks D. Continuous tracks
6	The value of open loop gain for the amplifier is	A. zero B. very low C. very high D. of an intermediate vaue
7	Choose the one which acts as single inverter.	A. Common emitter B. common collector C. Common base D. Diode
8	Which temperature is required for the fusion of two nuclides.	A. 10⁶ K B. 10⁷K C. 10⁸K D. 10 ⁹ K
9	X-ray are	A. Streams of negatively charted particles. B. Electromagnetic wave C. Streams of positively charged particles D. Visible light
10	Why hydrogen atom does not emit x-rays.	A. its size is very small B. It contains only single electron C. In it energy levels are for apart D. In it energy levels are close to each other

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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

X-ray are

What is the energy equivalent to amu in Me V

In a photocell, certain metals emit electrons for

The half life of radium -226 is

The electrons behave as wave because.

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

The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.

Which is the famous standard model of the universe.

The tunnel effect makes possible

In n-p-n transistor the current flows in the direction from

Which of the following is not a mode of radioactive decay.

The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.

The SI unit of decay constant is.

In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.

The reciprocal of decay constant lamda of a radioactive element is.

The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.

Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.

There are how many modes of operations of a BJT.

Which given quantity remains the same in isotones.

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

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

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Set 2

Set 3

Set 4

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Set 6

Set 7

Set 8

Set 9

Set 10

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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