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Fascinating Facts about Physics - 1


This sub-category of the Science category is for fascinating facts about Physics.


Magnetic Poles
A magnet has two poles, called north and south. Like poles repel each other and unlike poles attract each other (for example, two north poles will repel each other and a north and south pole will attract each other).

Magnets
If it is allowed to swivel freely, a magnet will always turn so that its north pole points to the earth's magnetic north pole.

Rainbows
The seven colors in a rainbow are (from inside to outside) :- violet, indigo, blue, green, yellow, orange and red.

The Speed Of Sound
The Speed Of Sound at sea level at 0 degrees Celcius is 742 mph (1,194 kph).

Weight and Mass
The weight of an object depends upon the force of gravity but it's mass does not.