यथार्थता,परिशुद्धता एवं त्रुटि विश्लेषण | accuracy, precision and error analysis in hindi

यथार्थता,परिशुद्धता एवं त्रुटि विश्लेषण (accuracy, precision and error analysis in hindi) यथार्थता किसी यंत्र द्वारा लि...

The universe | Big bang theory | How did the universe originate

THE UNIVERSE The immense sky that surrounds the Earth and all the celestial bodies present in it (eg- Milkyway, stars, planets,...

how many stars are in the milky way | how many galaxies in the universe

The Milky Way There are about 100 billion galaxies in the universe and an average of 100 billion stars in each galaxy. That is, ...

Why sky is blue in colour | What is Scattering of light

SCATTERING OF LIGHT When the sunlight travels in the Earth's circle, it is scattered by the particles in the atmosphere. ...

Huygen's Principle | Refraction and reflection of plane wave

Huygen's Principle When we throw a small stone in a calm water pond, waves propagate around the rebound point. Each point o...

Celestial lightning | why does Celestial lightning falls

why does Celestial lightning fall Have you ever wondered why celestial lightning falls and, then what causes it to fall? Wh...

Constellations | How the stars were born | Birth of stars

Constellation A group of stars appears to give the appearance of a particular shape when viewed from the earth. Our ancestors...