What are glasses ?

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Answer :

glasses lens.
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Related questions

Why do **** glasses emit static noise?

Description : Why do wine glasses emit static noise?

Last Answer : This is called seashell resonance.

Why do you need glasses to look in a mirror?

Description : Why do you need glasses to look in a mirror?

Last Answer : Let's say the object you are looking at is 12 feet behind you, and you hold the mirror 1 foot in front of your face. The light path from the object to your eye is 14 feet. You would be ... path would be only 12 feet.The object appears 13 feet behind the mirror, which is 1 foot from your face.

A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Description : A person wears spectators with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes – (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Last Answer : (2) in front of the retina Explanation: A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This ... relatively too long or the refractive powers of the cornea and lens of the eye are relatively too strong.

Which one of the following is used for sun glasses? (1) Pyrex glass (2) Flint glass (3) Crooks glass (4) Crystal glass

Description : Which one of the following is used for sun glasses? (1) Pyrex glass (2) Flint glass (3) Crooks glass (4) Crystal glass

Last Answer : (3) Crooks glass Explanation: A type of glass that contains cerium and other rare earths and has a high absorption of ultraviolet radiation is used in sunglasses. Sunglasses or sun glasses ... as variously termed spectacles or glasses exist, featuring lenses that are coloured, polarized or darkened.

Magnifying glasses are useful, because they create an enlarged: w) virtual image behind the actual object. x) real image behind the actual object. y) virtual image in front of the actual object. z) real image in front of the actual object.

Description : Magnifying glasses are useful, because they create an enlarged: w) virtual image behind the actual object. x) real image behind the actual object. y) virtual image in front of the actual object. z) real image in front of the actual object.

Last Answer : ANSWER: W -- VIRTUAL IMAGE BEHIND THE ACTUAL OBJECT. 

A person who is nearsighted will need what type of lenses in his glasses in order to see correctly?

Description : A person who is nearsighted will need what type of lenses in his glasses in order to see correctly?

Last Answer : ANSWER: DIVERGING or CONCAVE LENSES

An explorer is riding his camel in the desert. Up ahead he sees what appears to be a pool of water. He can tell if it is a real pool of water or a mirage by putting on his polarized sun glasses because: w) the mirage is polarized and reflections from the water are not x) reflections from water are polarized while the mirage is not y) neither are polarized so one will not be able to discern a difference z) both are polarized so one will not be able to discern a difference

Description : An explorer is riding his camel in the desert. Up ahead he sees what appears to be a pool of water. He can tell if it is a real pool of water or a mirage by putting on his polarized sun ... not be able to discern a difference z) both are polarized so one will not be able to discern a difference 

Last Answer : ANSWER: X -- REFLECTIONS FROM WATER ARE POLARIZED WHILE THE MIRAGE S NOT

A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focussed in his eyes (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Description : A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focussed in his eyes (1) behind the retina (2) in front of the retina (3) on the retina (4) on the blind spot

Last Answer : in front of the retina

Which one of the following is used for sun glasses ? (1) Pyrex glass (2) Flint glass (3) Crooks glass (4) Crystal glass

Description : Which one of the following is used for sun glasses ? (1) Pyrex glass (2) Flint glass (3) Crooks glass (4) Crystal glass

Last Answer : Crooks glass