A watchmaker uses a magnifying lens to see the fine parts of a watch. This tool helps magnify small details, making it easier to inspect and work on intricate components such as gears, springs, and tiny screws with precision.
Discussion Forum Latest Questions
A concave lens is used to correct nearsightedness. Nearsightedness, or myopia, occurs when the eye focuses light in front of the retina. A concave lens diverges the light rays before they enter the eye, moving the focal point back onto ...
Jena glass can scatter ultraviolet rays. It contains compounds like cerium oxide, which absorb and scatter UV radiation, making it useful in applications requiring UV protection, such as in optical lenses and scientific instruments.
In fiber optic communication, the signal flows in the form of light waves. Optical fibers transmit data using pulses of light that travel along the fiber’s core, which is typically made of glass or plastic. These light waves carry digital ...
Before setting, the Sun appears elliptical due to the atmospheric refraction. When close to the horizon, the Sun’s light passes through a thicker layer of Earth’s atmosphere, causing it to bend slightly. This refraction effect makes the Sun appear distorted ...