Fundamental forces in nature | प्रकृति में मौलिक बल
There are four types of forces in nature We have to learn before it some point Force: when you push or pull some object you exert a force on it.…
Solar eclipse | सूर्यग्रहण
A solar eclipse occurs when the moon passes between earth and the sun, thereby obsearing the view of the sun from a small part of the earth, totally or partially.…