Which Mirror Gives The Powerful Parallel Beam Of Light Write Its Two Uses?

Which Mirror Gives The Powerful Parallel Beam Of Light Write Its Two Uses? Concave mirrors are commonly used in torches, searchlights and headlights of vehicles to get powerful parallel beams of light. They are used as shaving mirrors to see a larger image of the face. Which mirror gives the powerful parallel beam of light?

Do Convex Lenses Always Form Real Images?

Do Convex Lenses Always Form Real Images? Do convex lenses always form real images? Summary: Convex lenses can form magnified or minified inverted real images, or magnified right-side-up virtual images. Concave lenses can only produce minified, right-side-up virtual images. A concave lens operates in only one way: it produces a virtual, erect, minified image… Are