Benjamin Franklin was the scientist who classified electric charge into two types, positive and negative, based on his experiments with electricity.
The charge of an electron, a fundamental constant, is measured as 1.602×10−19 coulombs. This value plays a key role in physics, especially in understanding electric charge behavior and atomic structure.
Real images are typically inverted, meaning they appear upside-down compared to the original object. They form when light rays actually converge at a point after passing through lenses or reflecting from mirrors.
Magnifying glasses use convex lenses, which converge light rays to produce a larger, upright image of an object, making it easier to see fine details.
Real images are formed when light rays converge and can be projected onto a screen, appearing inverted and capable of being captured on a surface.
Concave mirrors can form both inverted and real images when the object is placed beyond the focal point. If the object is placed closer than the focal point, a virtual image is produced.