Tagged: Light waves

Light interference 0

Properties of light interference and light diffraction

Light waves properties Light waves propagate in straight lines in the homogeneous medium , They reflect when they fall on a reflecting surface , They refract when they travel between two transparent media different...

Periscope of submarine 12

The importance and uses of periscope

The periscopes allow the submarine to search visually for the nearby targets and threats on the surface of the water and in the air when the are submerged at a shallow depth , The...