How could a human eye become an Optical Black Hole?

How could a human eye become an Optical Black Hole?
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You need to elaborate. What is an optical black hole?
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As a proton falls into a black hole, it accelerates. How large will its mass become as it approaches light speed?

Description : As a proton falls into a black hole, it accelerates. How large will its mass become as it approaches light speed?

Last Answer : answer:To answer the title question: The proton will approach light speed as it crosses the event horizon, since that marks the place where light speed is the escape velocity. It won't quite reach light speed ... the singularity of the black hole. I'm even less sure as to what person A will see.

The term ‘Blue Shift’ is used to indicate? A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object? B. Turning a star from white to blue C. In future sun would become blue D. Black hole was blue at its start E. None of these

Description : The term Blue Shift' is used to indicate? A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object? B. Turning a star from white ... . In future sun would become blue D. Black hole was blue at its start E. None of these

Last Answer : A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object?

Can you go fast enough to get enough mass to become a black hole? -Physics

Description : Can you go fast enough to get enough mass to become a black hole? -Physics

Last Answer : Traveling at high speed does not affect your mass, even in Einstein's theory of Special Relativity. For some reason, pre-college teachers, popular science books, and older physics textbooks claim that ... never be turned into a black hole, or even be made slightly overweight by speeding it up.

Roughly how small would you have to squish the Earth for it to become a black hole? -Space

Description : Roughly how small would you have to squish the Earth for it to become a black hole? -Space

Last Answer : Using the Schwarzschild radius calculation, a black hole the size of Earth would have a radius of less than one inch, making it about as big as a ping pong ball. The Sun, on the other hand, would have a radius of just under two miles.

Would an average mass main sequence star like our sun eventually become a neutron star black hole?

Description : Would an average mass main sequence star like our sun eventually become a neutron star black hole?

Last Answer : sup.

Beyond what point must an object be squeezed for it to become a black hole?

Description : Beyond what point must an object be squeezed for it to become a black hole?

Last Answer : Sxg

Beyond what point must an object be squeezed for it to become a black hole?

Description : Beyond what point must an object be squeezed for it to become a black hole?

Last Answer : Sxg

What is the difference between optical retail stores and going to the eye doctor?

Description : What is the difference between optical retail stores and going to the eye doctor?

Last Answer : answer:Dr. of Ophthalmlogy has been to Med School and will test for cataracts, macular degeneration, floaters,detached retinas,and other nasty eye problems -along with checking and correcting your Rx. ... ...(wickipedia) I think that Lenscrafters sell frames, fill Rx, and fit glasses only.

__________ is used for examining the macro-structure of a material. (A) Metallurgical microscope (B) Optical microscope (C) X-rays (D) Visual inspection by naked eye

Description : __________ is used for examining the macro-structure of a material. (A) Metallurgical microscope (B) Optical microscope (C) X-rays (D) Visual inspection by naked eye

Last Answer : (D) Visual inspection by naked eye

Cross hairs in surveying telescopes, are fitted (A) In the objective glass (B) At the centre of the telescope (C) At the optical centre of the eye piece (D) In front of the eye piece

Description : Cross hairs in surveying telescopes, are fitted (A) In the objective glass (B) At the centre of the telescope (C) At the optical centre of the eye piece (D) In front of the eye piece

Last Answer : (D) In front of the eye piece

The theodolites used for making tacheometric observations by optical wedge system, are (A) Provided with stadia hairs in front of eye piece (B) Not provided with stadia hairs at all (C) Fitted with a glass wedge inside the telescope (D) Fitted with a glass wedge in front of telescope

Description : The theodolites used for making tacheometric observations by optical wedge system, are (A) Provided with stadia hairs in front of eye piece (B) Not provided with stadia hairs at all (C) Fitted with a glass wedge inside the telescope (D) Fitted with a glass wedge in front of telescope

Last Answer : (D) Fitted with a glass wedge in front of telescope

The real image of an object formed by the objective must lie (A) In the plane of cross hairs (B) At the centre of the telescope (C) At the optical centre of the eye-piece (D) Anywhere inside the telescope

Description : The real image of an object formed by the objective must lie (A) In the plane of cross hairs (B) At the centre of the telescope (C) At the optical centre of the eye-piece (D) Anywhere inside the telescope

Last Answer : (A) In the plane of cross hairs

A far-sighted person, without optical correction, is typically able to see nearby objects more clearly in bright light. The reason for this phenomena is: w) bright light provides better illumination. x) the pupil of the eye narrows which increases the depth of focus. y) the pupil of the eye widens which increases the depth of focus. z) the bright light causes squinting which flattens the eyeball which tends to correct the far-sighted condition.

Description : A far-sighted person, without optical correction, is typically able to see nearby objects more clearly in bright light. The reason for this phenomena is: w) bright light provides better ... bright light causes squinting which flattens the eyeball which tends to correct the far-sighted condition.

Last Answer : ANSWER: X -- THE PUPIL OF THE EYE NARROWS WHICH INCREASES THE DEPTH OF FOCUS

Choose the correct statement. (a) Nociceptors respond to changes in pressure. (b) Meissner’s corpuscles are thermoreceptors. (c) Photoreceptors in the human eye are depolarised during darkness and become hyperpolarised in response to the light stimulus. (d) Receptors do not produce graded potentials.

Description : Choose the correct statement. (a) Nociceptors respond to changes in pressure. (b) Meissner's corpuscles are thermoreceptors. (c) Photoreceptors in the human eye are depolarised during darkness and ... hyperpolarised in response to the light stimulus. (d) Receptors do not produce graded potentials.

Last Answer : (c) Photoreceptors in the human eye are depolarised during darkness and become hyperpolarised in response to the light stimulus.

What is a black hole?

Description : What is a black hole?

Last Answer : Answer: A black hole is an object in space that has such a strong gravitational pull that nothing, not even light, can escape from it. Black holes form when massive stars collapse in on ... the naked eye, but their presence can be detected through their effects on nearby matter and radiation.

What is a black hole?

Description : What is a black hole?

Last Answer : A black hole is a region of space with such strong gravitational pull that nothing, not even light, can escape from it, and is an important concept in astrophysics.

What is a black hole?

Description : What is a black hole?

Last Answer : A black hole is a region of space with a gravitational field so strong that nothing, not even light, can escape from it, and is an important concept in astronomy and astrophysics.

What is a black hole?

Description : What is a black hole?

Last Answer : A black hole is a region of space in which the gravitational pull is so strong that nothing, including light, can escape from it, and it is an important concept in astronomy and astrophysics.

What is a black hole?

Description : What is a black hole?

Last Answer : A black hole is a region of space with such strong gravitational attraction that nothing, not even light, can escape from it, and its formation is thought to result from the collapse of a massive star.

What is a black hole?

Description : What is a black hole?

Last Answer : A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape, and is formed by the collapse of a massive star or the merger of two smaller black holes.

What is a black hole?

Description : What is a black hole?

Last Answer : A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape from it, often formed by the collapse of a massive star.

What is a black hole?

Description : What is a black hole?

Last Answer : A black hole is a region of space with a gravitational field so strong that nothing, not even light, can escape from it. Black holes form when massive stars collapse under their own gravity.

If someone found a black hole, who would you call to test and verify that it really was one?

Description : If someone found a black hole, who would you call to test and verify that it really was one?

Last Answer : Any astronomer or astrophysicist with access to sensitive enough instruments to measure its effects should be able to confirm its presence. We can't see into a black hole, but we definitely can see its effects ... this fashion. There is a super-massive one at the center of our own Milky Way Galaxy.

Can someone explain to me, what is the importance of knowing about the Black Hole?

Description : Can someone explain to me, what is the importance of knowing about the Black Hole?

Last Answer : The Black Hole is a major factor in the basic function of the universe and possibly holds clues to the nature of the creation of existence itself. That’s big stuff. That’s like god to astronomers.

what is black hole ??? -Science

Description : what is black hole ??? -Science

Last Answer : A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying. Because no light can get out, people can't see black holes. They are invisible.

PSR J0108-1431 is the closest known ------- to Earth? A. Black hole B. Red giant C. Quasar D. Pulsar (Answer)

Description : PSR J0108-1431 is the closest known ------- to Earth? A. Black hole B. Red giant C. Quasar D. Pulsar (Answer)

Last Answer : D. Pulsar (Answer)

When a star becomes a singularity and has zero volume and infinite density, it is called--------? A. White dwarf B. Blue giant C. Wolf-Raynet star D. Black hole (Answer)

Description : When a star becomes a singularity and has zero volume and infinite density, it is called--------? A. White dwarf B. Blue giant C. Wolf-Raynet star D. Black hole (Answer)

Last Answer : D. Black hole (Answer)

When our sun reaches the end of its red giant phase, it will turn into a------? A. Supernova B. White Dwarf (Answer) C. Black Hole D. Neutron Star

Description : When our sun reaches the end of its red giant phase, it will turn into a------? A. Supernova B. White Dwarf (Answer) C. Black Hole D. Neutron Star

Last Answer : B. White Dwarf (Answer)

What is supernova ? (1) A black hole (2) A dying star (3) An asteroid (4) A comet

Description : What is supernova ? (1) A black hole (2) A dying star (3) An asteroid (4) A comet

Last Answer : A dying star

If you were given a chance by NASA to name the black hole that is gonna suck up Earth, what would it be ?

Description : If you were given a chance by NASA to name the black hole that is gonna suck up Earth, what would it be ?

Last Answer : Kirby

How near does a black hole has to be to affect our planet?

Description : How near does a black hole has to be to affect our planet?

Last Answer : Well it entirely depends upon its mass. In case of the black hole that was just imaged: https://xkcd.com/2135/

Do Neil deGrasse Tyson and Stephen Hawking and others differ about the black hole?

Description : Do Neil deGrasse Tyson and Stephen Hawking and others differ about the black hole?

Last Answer : answer:There is not one single Black Hole, but potentially many many. In general, astrophysicists do not disagree on black holes, but they may have different interpretations of the data related to one. And ... circling a black hole at a speed of 1/10th the speed of light, which is incredibly fast.

If Earth were destroyed by an asteroid or fell into a black hole, what would happen to ghosts and souls that supposedly are here?

Description : If Earth were destroyed by an asteroid or fell into a black hole, what would happen to ghosts and souls that supposedly are here?

Last Answer : The souls would be released to go to heaven as do the ghosts and spirits.

The sun has collapsed, or is about to collapse, into a black hole, all sunlight will be / is now gone, and you have to keep the planet alive. How do you go about it?

Description : The sun has collapsed, or is about to collapse, into a black hole, all sunlight will be / is now gone, and you have to keep the planet alive. How do you go about it?

Last Answer : answer:Don’t bother. Move on, like our ancestors before us. All I need is an interstellar spaceship and a towel.

Is the singularity at the centre of a black hole subject to quantum effects and would they influence the event horizon?

Description : Is the singularity at the centre of a black hole subject to quantum effects and would they influence the event horizon?

Last Answer : answer:I don't see how we could know given current methods of measurement. We can't see inside the event horizon because that's the point beyond which light cannot escape. So the event ... speed. Density of mass approaches infinity. Our laws explode in our paces when fed conditions like these.

How big is your average black hole?

Description : How big is your average black hole?

Last Answer : answer:All you can measure is its motion and the effect it has on the surrounding space. To that end the most massive black hole to date is NGC 4889 and weighs in at somewhere in the ... it begins to do very odd things to time and space; you might find this Discover article interesting.

How does matter ever fall into a Black Hole?

Description : How does matter ever fall into a Black Hole?

Last Answer : Time runs more slowly for the object as observed by an observer. It runs normally for the object falling in. The observer would see it slow down and then would see a 2 dimensional representation of the ... is falling in. If you are the object, however, you will be spaghettified and be sucked in.

Can a black hole overeat?

Description : Can a black hole overeat?

Last Answer : I don’t know, lets go ask Beyonce ;¬}

What exactly happens when a (hypothetical) antimatter black hole merges with a 'normal' black hole?

Description : What exactly happens when a (hypothetical) antimatter black hole merges with a 'normal' black hole?

Last Answer : I don’ know but I just almost had a ‘black out’ trying to get my head round this question.(-:

Are we inside the black hole being sucked out, or outside the black hole being sucked in?

Description : Are we inside the black hole being sucked out, or outside the black hole being sucked in?

Last Answer : How do we know this is all even real? who’s to say you’re not imaginary, or I’m not imaginary? I don’t think we’ll ever know

What would happen if the Earth were to be struck by a tiny black hole?

Description : What would happen if the Earth were to be struck by a tiny black hole?

Last Answer : A period (.) with an incredibly strong gravitational pull?

what is a black hole

Description : what is a black hole

Last Answer : None knows for sure,but there are some theories: http://en.wikipedia.org/wiki/Black_hole

Is the term "Black Hole" a racist term?

Description : Is the term "Black Hole" a racist term?

Last Answer : You have to be kidding me… It is a scientific term and has no racial significance behind it. Only someone looking for a fight would even try to interpret it in that way.

What do you get when you cross Beyonce with a black hole? -Riddles

Description : What do you get when you cross Beyonce with a black hole? -Riddles

Last Answer : A single-lady-ty (singularity/single lady)

In which city was the famous black hole?

Description : In which city was the famous black hole?

Last Answer : Calcutta

Some black holes, including the M87 black hole, shoot narrow “jets” of ionized matter away from the black hole at nearly the speed of light. How far do the jets from the M87 black hole extend? -Space

Description : Some black holes, including the M87 black hole, shoot narrow “jets” of ionized matter away from the black hole at nearly the speed of light. How far do the jets from the M87 black hole extend? -Space

Last Answer : The M87 black hole's jets blast along its axis of rotation to a distance of roughly 5,000 light years.

How can we differentiate between a black hole made out of antimatter from a black hole made out of matter? -Other

Description : How can we differentiate between a black hole made out of antimatter from a black hole made out of matter? -Other

Last Answer : Antimatter is created in CERN's LHC and other particle colliders. They cause collisions between particles at high speeds to make black holes. When these black holes "evaporate," they produce the matter-antimatter pairs.

Does black hole have a life cycle? -Space

Description : Does black hole have a life cycle? -Space

Last Answer : Birth. A stellar-mass black hole starts its life with a death. It's born when a star at least 10 times more massive than our Sun runs out of fuel, having already fused hydrogen into helium, and helium into other elements, from carbon and oxygen all the way up to iron deep in the star's core.

How did the New Horizon Telescope capture the image of a black hole? -Space

Description : How did the New Horizon Telescope capture the image of a black hole? -Space

Last Answer : Using the Event Horizon Telescope, scientists obtained an image of the black hole at the center of galaxy M87, outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon.