have you ever tried utilising a single lens as a telescope ? needless to say no longer. It does not artwork like that ! however the bigger issue is that, specific, historical civilisations had some glass obtainable, however the technologies became very primitive, and in all risk no longer properly understood, and not decrease than lots administration. the 1st issue with making a nil.5-respectable telescope (extremely for a annoying application including astronomy) is to get a solid, sparkling sparkling of colourless glass, without irregularities, and no air-bubbles or different inclusions. Secondly, you ought to have the technologies, the theory, and the adventure, to artwork the glass right into a good lens. yet a single lens does not make a telescope. you like an eyepiece. and you like some form of mounting, ideally adjustable, which permits them to be held interior the appropriate relation to a minimum of one yet another. And in case you get all that, then there are each form of issues, including chromatic aberration, to be triumph over earlier it is whilst solid for observing because of the fact the bare eye. So it is greater desirable than basically a remember of having a type of glass obtainable. Even after rather respectable lenses have been incredibly properly obtainable in Europe, telescopes and microscopes did no longer unexpectedly spring into lifestyles in a single day, because it have been.
Answers & Comments
Verified answer
A. 0
B. 2x
C. 4-4x^2
D. -5
A. 8
B. -2x+8
C. 4-4x^2
D. -5
have you ever tried utilising a single lens as a telescope ? needless to say no longer. It does not artwork like that ! however the bigger issue is that, specific, historical civilisations had some glass obtainable, however the technologies became very primitive, and in all risk no longer properly understood, and not decrease than lots administration. the 1st issue with making a nil.5-respectable telescope (extremely for a annoying application including astronomy) is to get a solid, sparkling sparkling of colourless glass, without irregularities, and no air-bubbles or different inclusions. Secondly, you ought to have the technologies, the theory, and the adventure, to artwork the glass right into a good lens. yet a single lens does not make a telescope. you like an eyepiece. and you like some form of mounting, ideally adjustable, which permits them to be held interior the appropriate relation to a minimum of one yet another. And in case you get all that, then there are each form of issues, including chromatic aberration, to be triumph over earlier it is whilst solid for observing because of the fact the bare eye. So it is greater desirable than basically a remember of having a type of glass obtainable. Even after rather respectable lenses have been incredibly properly obtainable in Europe, telescopes and microscopes did no longer unexpectedly spring into lifestyles in a single day, because it have been.