Sink in , Disappear and Back
No, shadows are created when an object blocks light, preventing it from reaching a surface. Shadows do not reflect light; they are the absence of light in a particular area where an object is blocking it.
Mirrors can be used to concentrate sunlight onto a specific spot, creating intense heat that can ignite tinder or kindling. By angling the mirror to reflect sunlight onto a small area, the focused beam of light can generate enough heat to start a fire. It's important to adjust the angle and position of the mirror to maximize the concentration of light for optimal fire-starting results.
because the reflected light would spread out over a wide area if convex mirrors were used, whereas concave mirrors focus these reflected light rays into a beam, which give flash lights and headlights their unique characteristic.
Sort of. The concave mirror will collect all the light of a larger area, and concentrate it into a small spot. This will not change the colour temperature of the light, but will increase the watts per square centimetre at the focus.
this is because convex surfaces , being curved outside, have a wider field area. Car rear view mirrors are also a good example of this. In these, convex mirrors are used. This is because, convex mirrors, being curved outside, have a wider field area and show the image of a larger area
They can be used in stores for the clerks to watch for thiefsIn cars as side mirrors to prevent accidents in blind spotI could only think of two but I hope they help!!
A concave mirror converges light rays falling on it. Parallel beams are converged to a point known as 'focus' of the concave mirror. In this way, most of the light rays falling on it are not deviated or lost. This helps in effective and optimum use of light where needed as in vehicle headlight, torch etc.
A satellite can be used to reflect light to improve visibility or communication over a larger area. This reflection can also help with tracking and monitoring objects in space, as well as providing a beacon for navigation purposes.
Plastic wrap can reflect heat and keep it within a contained area for a limited amount of time. Plastic wrap is a poor conductor of heat and that is why it can be used to keep some foods fresh and warm for some time.
Mirrors brighten a room by reflecting light, which helps to distribute and amplify the natural or artificial light sources in the space. This reflection creates the illusion of a larger and more open area, making the room appear brighter and more inviting.
Highly polished, shiny surfaces reflect light the best as they are REFLECTive. White or bright surfaces also reflect light well. Dull, Matt surfaces are the worst reflecters of light
Solar cookers typically use flat or parabolic mirrors to concentrate sunlight onto a cooking area. Flat mirrors reflect and direct sunlight onto a cooking surface, while parabolic mirrors focus sunlight onto a single point to generate high temperatures for cooking. Both types of mirrors are commonly used in various designs of solar cookers.