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Q: What is concave reflex system?

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A concave lens in a periscope is used to invert the image received from the object being observed. This type of lens helps to create a larger field of view within the periscope by expanding the image. The concave lens also helps to focus the incoming light rays onto the mirror system of the periscope for reflection.

The opposite of concave is convex. A concave surface curves inward, while a convex surface curves outward.

No, sheep eyes are not concave. Sheep eyes have a relatively flat shape compared to concave shapes.

No, a diamond is not concave. Diamonds have a faceted structure with flat surfaces called facets, rather than a concave shape.

Car headlight mirrors are typically concave. Concave mirrors are designed to focus light in a specific direction, providing better visibility for drivers at night.

Related questions

It is a hexagon with a reflex angle.

Reflex angle

A concave hexagon is a hexagon that has one or two reflex angles. With one reflex angle, it will resemble a chevron - like a stripe on a police or army uniform, or the letter V which has thickness. With two reflex angles, it will resemble an hourglass with straight sides.

A concave pentagon.

Yes, it looks like an arrowhead and is called a concave quadrilateral.

A reflex angle is over 180 degrees, but the sum of the angles in a quadrilateral, concave or convex, is 360. Therefore, since 180+180=360, you can't have any more degrees even without the amount over 180 that the reflex angle has.

Any concave polygon. It must have at least 4 sides.

The Patellar reflex is an example of a somatic reflex. This refers to the branch of the nervous system that the reflex pertains to. The somatic branch is part of the Peripheral Nervous system, meaning that it's reflex arc does not pass through the central nervous system (the spinal cord and the brain)

There are four types of concave (not cocave) hexagons:one reflex angle,two reflex angles, opposite one another,two reflex angles with one next-but-one to another,three reflex angles alternating.This site is not suitable for displaying images.

It must have at least one internal angle which is a reflex angle - that is, between 180 and 360 degrees.

A concave m polygon is a 2-dimensional shape which is bounded by m straight sides with at least one internal angle that is a reflex angle (greater than 180 deg).

Many graphs that appear concave from one side will appear convex from the other. A smooth graph is generally described as concave if it is increasing AND if the rate of increase is also increasing. In terms of calculus this requires the first and second derivative to be positive. A concave polygon is one in which at least one of the vertices forms a reflex angle.