Hey guyz!!! please answer my question
distinguish between concave ,convex mirrors and lens
all 4 difference together
pls answer
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Answers
-Both concave and convex mirrors reflect light. However, one curves inward while the other curves outward. These mirrors also reflect images and light differently because of the placement of their focal points.
Principal Axis
The principal axis is an imaginary line that cuts through the center of a mirror dividing it symmetrically in half. Imagine this as a curve on a piece of paper.
Focal Point
The focal point is a spot on the principal axis where light would intersect if it were to strike the mirror parallel to the principal axis.
Shape
Concave mirrors curve inward, creating a focal point in front of the mirror. Convex mirrors curve outward creating a focal point behind the mirror.
Concave Image
Because of their shape and focal point placement, images in concave mirrors appear upside down and far away. However, when you move closer, the object enlarges. If you get close enough, the object enlarges more and the image is right-side up.
Convex Image
In a convex mirror, images appear right-side up, shrunken and virtual, or placed somewhere behind the mirror.
(2) Concave mirror produces real and inverted images (except when the object is placed between pole and focus. ... But the convex mirror always produces virtual and erect images.
Lens
Convex lenses are thicker at the middle. Rays of light that pass through the lens are brought closer together (they converge). A convex lens is a converging lens.
When parallel rays of light pass through a convex lens, the refracted rays converge at the focal point. The image formed is magnified (you can use this lens as a magnifier, or a simple camera lens by itself). It’s also called “positive” lens.
Concave lenses are thinner at the middle. Rays of light that pass through the lens are spread out (they diverge). A concave lens is a diverging lens.
When parallel rays of light pass through a concave lens the refracted rays diverge so that they appear to come from one point called the principal focus. The image formed is diminished. It’s also called “negative” lens. This lens can’t be used to form an image by itself, but in combination(s) with positive (converging) lenses it is used to shorten the focal length.