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Concave lens is called a negative lens because it has a negative focal length.

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Q: Why is concave lens called a negative lens?
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Related questions

A lens that curves outward is called?

)( is a concave lens() is a convex lens


What is a concave lens?

A lens that is thinner in the middle and thicker at the edges is called a concave lens.


What is also called a diverging lens?

It is concave lens


Why is a concave lens called diverging lens?

False


Why is a concave lens is called diverging lens?

False


What is a convex and a concave lens?

CONCAVE LENS : lens that atleast possess one end inwards is called as concave lens. CONVEX LENS : lens that atleast possess one end outwards like the exterior of the sphere is called convex lens. According to the medical values convex lens are used for long sight vision problem and concave lens for short sight vision problems.


Is a lens that is thicker at the edges than in the middle a concave lens?

Yes, this is a concave lens. It is also called a diverging lens because it causes light rays to spread out.


What is a lens that bends light inward?

An inward curve is called concave, while an outward curve is called convex


What is another name for concave lens?

A concave lens is otherwise known as a diverging lens.


Length of a lens is the distance from the center of the lens to its principal focus?

It is called the focal length. It is equal to 1/2 times r, and is positive on concave mirrors and negative on convex mirrors.


What has two lenses called the eyepiece lens and objective lens?

Maybe its "ocular".


How are concave lens and convex lens different?

The convex lens bulges out at the center, while the concave lens bulges in at the center. The convex lens magnifies, while the concave lens reduces.