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How does the focal length of the lens change when you sift looking from a distant object to nearby object?
Wiki User
∙ 12y ago
The focal length of the lens can be changed by the ciliary muscles in the eye due to which we can shift looking from a distant object to nearby object .
Wiki User
∙ 12y ago
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What is accommodation in physics?
The ability of the eye to adjust its focal length is known as accommodation. Since a nearby object (small dobject) is typically focused at a further distance (large dimage), the eye accommodates by assuming a lens shape that has a shorter focal length
Focal distance of a concave lens is always what?
To my understanding of psychology, the lens convexity in distant vision is increased in order to better take in the visual stimuli. To focus visual stimuli on the fovea (focus point) of the retina, the lens undergoes a process of adjusting called "accommodation," and it becomes more convex to ensure that distant objects reach the retina. A failure to properly accommodate leads to nearsightedness (faraway objects falling short of retina) or farsightedness (nearby objects falling past retina)
What is the definition of closest to?
Meaning something extremely nearby.
What is the ability to distinguish two nearby objects?
Resolving power.
What is the ability to distinguish two nearby objects called?
Resolving power.
What is a synonym for not nearby?
far, distant, long.
Eye has fixed focal lengthThen how can you say that the focal length of changes?
The eye has variable focal length, its lense varies with thickness in order to focus to distant or nearby objects. Focal distance is constant, from lense to retina.
What is opposite of remote?
The antonym of "remote" (meaning "distant") could be nearby, local, or close.
What is the Opposite of remote?
The antonym of "remote" (meaning "distant") could be nearby, local, or close.
When you can see distant things clearly but nearby objects appear blurry?
wear glasses or some people are born with the ability to see things really close up.
When esimating the distance of the stars from earth astronomers use the fact that nearby stars shift in position as observed from earth which is called?
Nearby stars appear to change their position against the distant background in an annual cycle, because of the Earth's changing position 'across' its orbit. This apparent shift is called the star's "parallax".
What is a person called who can see distant objects clearly but for whom nearby objects appear blurry?
Such a person is called "far sighted".
How does the lens in your eye change shape when you look at a nearby object then a distant object?
As an object gets farther from your eye, the focal length of the lens has to increase. The muscles around the lens stretch it so it has a less convex shape. But when you focus on a nearby object, these muscles make the lens more curved, causing the focal length to decrease.
The apparent shift in the position of nearby stars when compared to distant stars is?
Doug Fany answer: Parallax
How can you calculate height of a pyramid by measuring the length of its shadow?
By means of trigonometry if you know the angle of elevation or by comparing it with a nearby object if you know its height and shadow length.
How do astronomers measure the distance to nearby stars?
Astronomers use a method called parallax to measure the distance to nearby stars. Astronomers can measure parallax by measuring the position of a nearby star with respect to the distant stars behind it. Then, they measure the same stars again six months later when the Earth is on the opposite side of its orbit.
Why does water seem to shimmer when the sun is shineing?
This effect is called a 'Mirage.' It occurs when the light rays from a distant object are refracted by heated air so that the object appears to be nearby.
