What is physics and its importance?

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Physics Educator for IGCSE, IB and CBSE with Jee and Neet

Physics is a branch of Science which deals with Study of Nature. It has different Sub branches such as Optics, Mechanics, Electromagnetism.. Etc
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mathematics and science tutor having a year of experience. currently pursuing btech in iit dhanbad

physics is subpart of science that studies matter its motion and property ralated to it . whole universe is govern by physics
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Related Questions

Why does a swimmer push the water backwards?
According to newton's 3rd law of motion in each and every action there is an equal and opposite force. So if he push the water backwards then according to the above principle or law he will be able to move forward.
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Why is only the speed of light constant in all frames of reference?

The only thing that affects the speed of light is the refractive index of the medium through which it moves, and for space, this number is 1.000000 and gives you the maximum possible speed of light.
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What is the gravitatioal SI unit of work done?

It's joule .for all type of work done and energy .
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What is the correct definition and formula of ohms law.? 

At a constant temperature, the potential difference across A conductor is directly proportional to the Current passing through it. V ∝I, V=IR. V/I=R
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