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7 days ago

How did Newton use creativity and logic in his approach to investigating light?

2 answers:

8 0

Isaac Newton displayed creativity by employing prisms to demonstrate that white light comprises various colors. He utilized logic in the rhetorical structure of his arguments to persuade his audience of his conclusions' validity.

He was not the initial experimenter with prisms; French philosopher Rene Descartes had conducted similar experiments. However, Descartes believed that the prism altered the light to create the color spectrum. Newton, on the other hand, accurately recognized that light refracting through a prism exposes the inherent colors within it. He utilized a second prism, filtering out all but one color, to illustrate that a lone color did not change when passing through a prism. By adjusting this second prism, he also proved that the various colors of light could be blended back into white light. Newton's 1672 paper on light refraction through prisms solidified his standing as a scientist, and he continued to explore light throughout his career, publishing a more extensive work in 1704 on Opticks (as optics was spelled at the time).

Sav [2.2K]7 days ago

3 0

He approached the concept of light using quantum mechanics to explain relativity and perspective.

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21 day ago

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1) 9.18 s

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$a_1=13.5 m/s^2$

over a time interval of

$t_1=3.50 s$

The final velocity after this period is found using the SUVAT formula:

$v_1=u+a_1t_1$

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2) 299.9 m

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$d_1 = ut_1 + \frac{1}{2}a_1 t_1^2$

Substituting values from part 1,

$d_1 = 0 + \frac{1}{2}(13.5) (3.50)^2=82.7 m$

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$d_2= v_1 t_2 + \frac{1}{2}a_2 t_2^2$

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