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 path of electron in Rutherford atomic model according to classical theory a.	A. Parabolic B. Straight line C. Spiral D. Circular
2	The most convenient unit for energy at the atomic level is.	A. Joule B. Watt second C. Newton metre D. Electron volt
3	The Beta particles move along.	A. Straight path B. Curved path C. Zig Zag path D. Circular path
4	Which of the following is the most massive particle.	A. Deuteron B. Alpha particle C. Neutron D. positron
5	The potential due to which an electron is lifted from gerund state to excited state is.	A. Potential gradient B. excitation potential C. Ionization potential D. Potential difference
6	Atomic reactor is based on	A. Controlled chain reaction B. Uncontrolledly chain reaction C. Nuclear fission D. Nuclear fusion
7	The bunding energy per nucleon for iron is.	A. zero B. Maximum C. Negative D. Minimum
8	The absorption of X-rays in a given material follows.	A. A parabola path B. Is straight line C. An exponential curve D. A circle
9	Particle which can be added to the nucleus of an atom with changing its chemical properties are called.	A. Electrons B. Protons C. Neutrons D. Alpha particles
10	When we pass a radiation from a radioactive material through an electric field.	A. All three kinds of rays will be deflected B. Only the Gama rays are deflected C. The Alpha and Beta particles are deflected D. Only the alpha particles are deflected

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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

Binding energy per nucleon is.

When an object moves with a very high speed the length in the direction of motion.

A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes

There are how many types of forces or interactions.

The mass of an alpha particle is.

If an object moves with velocity of light the apparent mass of the object as compared to list original mass is

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.

Atomic reactor is based on

At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.

Which both elements are good for nuclear fission.

The electrons behave as wave because.

The critical mass of fissionable uranium -235 can be reduced by

X-rays used for

The maximum K.E. with which photoelectrons are emitted depends very strongly on the.

The reciprocal of decay constant lamda of a radioactive substances is equal to.

An important property of an ideal power supply is.

When Be is bombarded by alpha particles, then we obtain

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

For an electron or position the rest mass energy is equal to.

The energy that must be added to separate the nucleus is called.

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

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Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

Topic Test

Top Scorers Of PPSC Physics Topic 7 Modern Physics MCQ`s Test

PPSC Physics Chapter 7 Important MCQ's

Test Questions

A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes