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	As the mass number increases, the binding energy per nucleon in a nucleus	A. Increases B. Decreases C. Remain constant D. Varies in a way that depends upon A
2	The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.	A. Threshold frequency B. work function C. Wave number D. Kinetic energy
3	Which one of the following spectra series is in the ultraviolet region.	A. Lyman series B. Paschen series C. Brackett series D. Plund series
4	The constant lamda is called the.	A. Decay constant B. Gas constant C. Planck's constant D. Dose constant
5	The phenomenon of Compton's effect process that right has	A. Wave nature B. Particle nature C. Dual nature D. Corpuscular nature
6	In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.	A. Atomic nuclei may contain neutrons B. Atoms are electrically neutral C. Atoms are largely empty space D. Atoms have positively charged nuclei
7	The emission of electrons from a metal surface when exposed to light of suitable frequency is called.	A. Pair production B. Compton effect C. Photo electric effect D. Zeeman effect
8	An Alpha particle is the same as	A. A helium nucleus B. A high speed electron C. A hydrogen nucleus D. Electromagnetic radiation of short wavelength
9	Which one among these contacts in a transistor is non rectifying.	A. Base B. Emitter C. Collector D. None of these
10	In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.	A. Radioactivity B. Radioactivity dating C. Nuclear fusion D. Nuclear fission

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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

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

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

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

Beta decay may occur by

In which of the following controlled nuclear chain reaction is used to liberate energy.

A device used to determine mass of an isotope quite accurately is known as.

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

The critical mass of a fissionable material is.

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

Transistors with various combinations are widely used as switches in.

The band width of an audio amplifier is.

The neutral atoms of all isotopes of the same element contain the same numbers of.

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

A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.

Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.

Choose the one which acts as single inverter.

When Be is bombarded by alpha particles, then we obtain

NOR gate is a combination of.

The process of pair production will take place if the energy of photon is greater than.

The decimal equivalent of 1111 is

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

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Set 7

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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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