concave mirror

collocation in English

meaningsofconcaveandmirror

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withmirror.
concave
adjective
uk
/ˈkɒŋ.keɪv/us
/ˈkɑːn.keɪv/
curving ...
See more atconcave
mirror
noun
uk
/ˈmɪr.ər/us
/ˈmɪr.ɚ/
a piece of glass with a shiny, metal-covered back that reflects light, producing an image of whatever is in front ...
See more atmirror

(Definition ofconcaveandmirrorfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofconcave mirror

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Aconcavemirrorplaced behind each amplifier converges the beam.
From theCambridge English Corpus
The three-pass amplification is achieved by means of a telescope equipped with a 4.4-m radius convex mirror and a 34-mm-diameter, 1.4-m-radiusconcavemirror.
From theCambridge English Corpus
The focal length is positive for aconcavemirror, and negative for a convex mirror.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Aconcavemirror, such as a polished soda can bottom, can be used as well to focus the sun's rays on tinder.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
It comprises a circularconcavemirror, with a small hole in the middle, and is attached to a head band.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
With hand held lamps, aconcavemirroris tilted by a trigger to focus the light into pulses.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
My actual esthetic is to transform the classical norms using the mathematics of theconcavemirror.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
It illuminates a smaller area on theconcavemirror, leading to a small beam-width on the way to the flat mirror.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Because of the divergence the light is effectively coming from a point farther apart and leads to more convergence after theconcavemirror.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
This involved creating a set up which observed how the position of aconcavemirrorwould affect the real object that it reflected.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
He later modified the theory to simply involve aconcavemirrorand a comparator mirror.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Eyerman also utilized aconcavemirrorto photograph the aurora borealis.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Kircher's device consisted of a lantern with a candle andconcavemirrorinside.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
He often painted with the aid of aconcavemirror, and to obtain exactness looked at his subject through a frame crossed with squares of silk thread.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
A 4f system is configured within a vacuum chamber with reflective concave mirrors.
From theCambridge English Corpus
If the rays of light coming from a farther light source reflect to any point on axis of theconcavemirror, they form concentric circles in that point.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
In time of emergency, fire and smoke codes were used by lighting dry-cotton tinder with concave mirrors.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Concave mirrors reflect light inward to one focal point.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
For concave mirrors, whether the image is virtual or real depends on how large the object distance is compared to the focal length.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Unlike convex mirrors, concave mirrors show different image types depending on the distance between the object and the mirror.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Want to learn more?
Go to the definition ofconcave
Go to the definition ofmirror
See other collocations withmirror