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	At high temperature a body generally emits redactions of.	A. Small wavelengths B. Long wavelengths C. Moderates wavelengths D. Zero wavelengths
2	In a transistor which one is very thin.	A. Collector B. Emitter C. Base D. Depletion region
3	In fission reaction, heavy water is used as a	A. Coolant B. Moderator C. Heat exchanger D. Controller of reaction rate
4	In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.	A. Critical frequency B. Typical frequency C. Threshold frequency D. Surface frequency
5	The 'x' in X-rays means	A. Xenon B. Explosion C. x for unknown D. X makes the spot
6	The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.	A. 2 mg B. 4 mg C. 8 mg D. 18 mg
7	X-rays travel with	A. The speed of light B. The speed of sound C. The speed of 3,000 m s-1 D. The speed of 3,500 m s-1
8	Which of the following detectors can count fast and operate at low voltage.	A. G.M Counter B. Cloud chamber C. Solid state detector D. Bubble chamber
9	Which of the following is deflected by an electric field.	A. Alpha particles B. X rays C. Gama rays D. Neutrons
10	In potential for the material of cathode pure metals are rarely used because of their	A. Low reflecting power B. High reflecting power C. Low resolving power D. High resolving power

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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

A gama ray of energy 1900 MeV is absorbed by

The helium nucleus does not contain

The division and germier experiment relates to

X-rays are absorbed maximum by

In de Brogile model electron orbit must form

The wavelength of X-rays is of the ofder of.

Which type of radiation would be stopped completely by a thin piece of cardboard.

The band width of an audio amplifier is.

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

A spectroscope sorts out

When Be is bombarded by alpha particles, then we obtain

An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.

Mosley's law establishes the X-rays fluorescence of target element with is.

Which six particles and their antiparticles interact by the weak interaction.

Push pull amplifiers employ

Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.

In a Geiger Marsden experiment why do the great majority of the Alpha particles pass straight through the metal foil.

The molecular weight of D2O is

Half life and mean lifetime of a radioactive element are.

The particles equal in mass or greater than protons are called.

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

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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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