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 ionization energy for hydrogen atom is	A. -11.6 eV B. -12.6 eV C. -13.6 eV D. -19.6 eV
2	A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.	A. 0.1 C B. C C. 0.8 C D. 0.9 C
3	The transition of inner shell electrons in heavy atoms gives rise to the emission of.	A. Low energy b-particle B. High energy b-particle C. High energy X- rays D. High energy gama rays
4	Mosley's law establishes the X-rays fluorescence of target element with is.	A. Atomic weight B. Atomic number C. Density D. Lattice constant
5	White light a tungsten filament lamp is passed through sodium vapor and viewed through a diffraction gritting Which of the following best describes the spectrum which would be seen.	A. Coloured lines on a black background B. Coloured lines on a white background C. Dark lines on a coloured background D. Dark lines on a white background
6	The Rutherford atom according to classical theory is	A. Stable B. Unstable C. Partially stable D. Quantized
7	Which type of radiation would be stopped completely by a thin piece of cardboard.	A. Alpha particles B. Beta particles C. Gama rays D. X -rays
8	The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by	A. Dividing by 931 B. Multiplying by 931 C. Diving by 391 D. Multiplying by 391
9	The resistance between(+) and (-) inputs of an amplifier is.	A. Zero B. Low C. High D. Infinity
10	48 days after the receipt the amount of iodine -131 left behind is only.	A. 0.1325 g B. 0.2135 g C. 0.3125 g D. 0.1235 g

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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

X-rays are also used for

The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.

Why FET amplifiers are called voltage controlled devices.

How many types of quarks were suggested i 1964 quark theory.

In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.

For the normal operation of transistor the emitter base junction is always.

Which of the following describes that the time interval between two events may be different in different of references

An operational amplifiers will act as an inverting amplifier when the input signal is connected to.

The division and germier experiment relates to

As the mass number increases, the binding energy per nucleon in a nucleus

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

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

At what speed the mass of a body will be doubled.

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

Hydrogen bomb is based on

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

The potential due to which an electron is lifted from gerund state to excited state is.

Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.

The simple form of particle accelerator is.

The molecular weight of D2O is

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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