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 of the following is the most commonly used regions of operations for a transistor.	A. Cut off B. Saturation C. Active D. All of these
2	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
3	Radioactivity is the phenomenon associated with the.	A. Transition of radiowaves B. production of alpha particles only C. Decay of nucleus D. Reception of radio waves
4	The binding energy per nucleon for uranium is about.	A. 7.7 MeV B. 9.6 MeV C. 13.6 MeV D. 21.6 MeV
5	The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.	A. 0.5 g B. 1.2 g C. 3.0 g D. 6.0 g
6	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
7	The continuous X rays spectrum is due to an effect.	A. Bremsstrahlung B. Breaking radiation C. Holography D. both a and b
8	Lines of Balmer series are emitted by hydrogen atom when the electron jumps from	A. The first orbit to any other orbit B. Higher orbits to second orbit C. Higher orbits to first orbit D. The third orbit to higher orbit
9	The bunding energy per nucleon for iron is.	A. zero B. Maximum C. Negative D. Minimum
10	Neutrino9 is a particle with	A. Charge less property and has no spin B. Charge less property and has spin C. Charge less like electron and has spin D. The same property as neutron

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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 one the following is not a component of a Bipolar junction Transistor

LED is a p-n junction that emits

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

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

The SI unit of decay constant is.

The angle of scattering for which the Compton shift is maximum is.

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

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

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

Which of the following is its own anti particle.

A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.

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

The unit generally used for measuring astronomical distances is.

When using the formula E = h lambda what unit should energy have.

The most familiar example of radioactive dating is.

The photons emitted in inner shell transition are.

The half life of uranium -238 is

The gama rays have

The charge on a helium nucleus is equal to the charge of.

The half life of a radioactive substance as compared to its mean lif eis.

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

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Set 2

Set 3

Set 4

Set 5

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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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