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 darling ion amplifier is characterized by	A. High voltage and current gain B. High input resistance and current gain C. High output resistant and current gain D. Low input resistance and current gain
2	The necessary condition for nuclear fusion is.	A. High temperature and high pressure. B. Low temperature and high pressure C. Low temperature and low pressure D. High temperature and low pressure.
3	At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.	A. 0.3 v B. 0.5 V C. 0.7 V D. 0.9 V
4	During the alpha decay process	A. A neutron is emitted B. a electron is emitted C. A helium core is emitted D. A proton core is emitted
5	Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits	A. Radiowaves B. Alpha particles C. Beta particles D. gama particles
6	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
7	The SI unit of absorbed dose in.	A. Bel B. Weber C. Rem D. Grey
8	Which of the following properties is not exhibited by X-rays.	A. Interference B. Diffraction C. Polarization D. Deflection of electric field
9	The most readily fissionable isotope of uranium has atomic mass of	A. 234 B. 235 C. 236 D. 238
10	In heavy elements of the periodic table the number of neutrons than protons are.	A. Lesser B. Greater C. Equal D. Undetermined

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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 wavelength lies in X-rays region.

Which given element has lowest work function

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

In a cloud chamber the Alpha particles leave

When a posirtron is emitted it causes.

Which one of the following is a convenient energy unit to express the energy of sub atomic particles.

In Compton's effect the change in wavelength of a scattered photon is called.

Neutrino9 is a particle with

The electrons behave as waves, because they can .

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

The necessary condition for nuclear fusion is.

Binding energy per nucleon is.

What is the basic advantage of class A operation of an amplifier.

Which particles have spin quantum number 1/2

X-rays are not used in RADARs because

The Inner electrons in heavy atoms can be disturbed and dislodged by.

Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.

Which one of the following has maximum frequency.

LED is a p-n junction that emits

The energy of neutrons obtained during a fission reaction is.

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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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