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 half life of radium -226 is	A. 1620 years B. 45 x 10⁹ years C. 3.8 days D. 23.5 minutes
2	The mass of an alpha particle is.	A. 2 u B. 4 u C. 6 u D. 8 u
3	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
4	Which one among these contacts in a transistor is non rectifying.	A. Base B. Emitter C. Collector D. None of these
5	Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.	A. Time period B. Frequency C. Voltage gain D. phase angle
6	A transistor consists of.	A. One p-n junction B. Two p-n junctions C. Three p-n junctions D. Four p-n junction
7	In order to reduce uncertainty in momentum one must use light of.	A. Short wavelength B. Large wavelength C. Wavelength of intermediate value D. Wavelength of any value
8	An important property of an ideal power supply is.	A. Infinite internal resistance B. Zero internal resistance C. Large output resistance D. Small output resistance
9	Bohr's atomic model assumes	A. Nucleus is of infinite mass and is at rest B. electron in a quantized orbit will not radiate energy C. Mass of electron remains the same D. All of the above
10	Cosmic rays mostly comprise of	A. Neutral particles B. Negative charged particles C. Positively charged particles D. Ions

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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 of the following is believed to be carrier o nuclear forces.

Which one of the following quantities is conserved in a nuclear reactor.

Transistor are made from

Which of the following is invariant under Galilean transformation.

Why FET amplifiers are called voltage controlled devices.

Deuterium is

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

An important property of an ideal power supply is.

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

Tracer techniques make use of.

Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.

Among different elements of the periodic table which of the following atoms is the simplest.

The critical mass of a fission reaction is.

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

Which particle interact via all fundamental forces.

The band width of an audio amplifier is.

The decimal equivalent of 1111 is

Atomic reactor is based on

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

How positives feedback will effect an amplifier.

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

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Set 2

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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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