Physics Notes (Introduction) Chapter 1: X class

Introduction

Q.1. What is Science? How many branches of Science are?

Ans: Science:

The world Science means to Know. In other words, to consider, to observe, to calculate the resuld and to done experiment on any substance in the universe is called science.

Or

The observation, identification, description, experiment, investigation and theoretical explanation of phenomena are called science. In short knowledge gained through experience is called Science.

The following natural phenomena's give us the knowledge of science.

1. Colour in rainbow
2. Dropping of an apple from tree
3. Rusting of iron
4. Growing of plants
5. Motion of bodies
6. Formation of the solar system.

BRANCHES OF SCIENCE:

Basically, science consists of two main branches.

1. Biological Science
2. Physical Science

Science is the Key of success.

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