POINTS TO REMEMBER in Chapter 1

Here are some important points which I have selected from all previous posts, and write in shape of bullets. So you can read and remember for your knowledge.

1.                  Matter assumes the state of gas, comprising of ions and electrons, at a very high temperature. This is called Plasma.

2.                  Matter in the plasma phase makes up much of the universe.

3.                  The matter of sun is also in plasma state.

4.                  Energy obtained by breaking up 1 Kg of uranium is equal to the energy obtained from burning three million Kg of coal.

5.                  In the 14^th century, scientist named Nicole Oresme studied the change in velocity with the help of geometry for the first time.

6.                  In the 16^th century, Galileo studied freely falling bodies using modern scientific method.

7.                  The name of book of Isaac Newton is Principia Mathematica.

8.                  In the 17^th century, Isaac Newton stated laws of motion and gravitation in his book.

9.                  In the 18^th century, the electric cell was invented by Alesandro Volta.

10.              In the 20^th century, Albert Einstein declared that mass and energy are forms of each other.

11.              In the 20^th century, computer caused revolutionary changes in all areas of life.

12.              The radio telescope invented in the 20^th century.

13.              Physics is the branch of science which deals with the study of properties of matter and energy and their mutual relationship.

14.              Physics has not only made progress in its own field but has also shown new avenues of research to other fields of knowledge.

15.              The first step of the scientific method is to make observations of a natural phenomenon.

Read More

1.Amplitude, frequency, Wavelength and more definitions

2. Simple Pendulum & Its Movement

3. Contribution of Muslim Scientists in the field of Science

4. Physics & Its Branches