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 total energy of the hydrogen atom is	A. zero B. Infinite C. positive D. Negative
2	A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes	A. Zero B. Unity C. Double of its rest mass D. Infinity
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	Compton scattering experiment seemed to indicate that radiation had	A. Wave nature B. Particle nature C. Wave particle nature D. X-rays nature
5	An increase in frequency above threshold frequency results in.	A. Increase in photo electric current B. Increase in K.E. of electrons C. Decrease in photoelectric current D. Decreases in K.E. of electrons
6	Nuclear force exists between	A. Proton proton B. Neutron -neutron C. neutron -proton D. All of these
7	The two elements with same number of electrons but different mass number are called.	A. Isotones B. Isobars C. Isotopes D. Isomers
8	Which of the following wavelength lies in X-rays region.	A. 1 A B. 100 A C. 1,000 A D. 10,000 A
9	There are how many types of forces or interactions.	A. Two B. Three C. Four D. Five
10	Which of the following describes that the time interval between two events may be different in different of references	A. Simullaneously B. Time dilation C. Length contraction D. Mass variation

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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

In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.

The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.

Which of the following are electromagnetic waves.

Which quantity remains fixed in isobars.

The critical mass of a fission reaction is.

Alpha particles emitted from a radioactive material are.

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

Emitter follower amplifier is an example of.

In order to reduce uncertainty in momentum one must use light of.

Radio carbon in the atmosphere is produced by the bombardment of.

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

According to Max. Planck, energy is released or absorbed in discrete packets called.

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

In heavy elements of the periodic table the number of neutrons than protons are.

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

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

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

Atomic reactor is based on

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

Which of the following properties is not exhibited by X-rays.

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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