by taking flash. [bulb for seeing this answer]
They are not mirrors they are called lenses so we can see through them
Some devices that have mirrors in them include smartphones (front-facing camera), digital cameras, telescopes, microscopes, and selfie sticks. Mirrors are used in these devices for reflection and imaging purposes.
No, mirrors are not needed for all cameras to take photos. The mirror is only used in a reflex camera (a camera where you look through the same lens as the sensor/film). Small point and shoots, rangefinders, and large format view cameras do not use mirrors.
Concave mirrors are used to focus light, to produce a parallel beam in car headlights, and so you can have a close look while shaving. Convex mirrors are used for making telescopes, viewfinders in vehicles, and used in supermarkets or stores as surveillance as it gives a wider view.
Concave mirrors are used in telescopes. Convex mirrors are used as side-view mirrors in cars.
Camera lenses are used in photography to focus light onto a sensor. Microscopes use lenses to magnify tiny objects for scientific observation. Telescopes use lenses or mirrors to collect and focus light for viewing distant objects in space. Rear-view mirrors in vehicles help drivers see objects behind them. Makeup mirrors use mirrors to reflect light and provide a clear view for applying cosmetics.
silver is used in making mirrors because silver has a property to reflect so it is used in making mirrors
Convex mirrors
Side view mirrors.
To view physical appearance by own-self.answer #2grocery store scanners use mirrors to direct the lasers, many other laser applications use mirrors to move and direct the beams. Many industrial processes use mirrors and lasers to direct light and laser beams. You use mirrors to drive safely. Warehouses use mirrors on the corners to prevent collisions. Many camera have mirrors in them. We use mirrors for many different applications.
A mirror shows what you look like in real life more accurately than a webcam or camera. Both a webcam and camera can distort images.
they are windows and winscreen and the revision mirror and the side mirrors