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FrozenT [24]
3 years ago
5

How do scientific models become stronger over time? New experiments verify or refine previous models. As more people believe the

model, it is stronger. Older theories are always thought to be stronger than new theories. Personal beliefs become more important to scientists over time.
Chemistry
2 answers:
ollegr [7]3 years ago
8 0

B. New experiments verify or refine previous models.

Alex777 [14]3 years ago
4 0
"<span>New experiments verify or refine previous models"</span>
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What is the wavelength of radiation that has a frequency of 7.2×10^11 s−1 ?
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Explanation:

It is known that relation between wavelength and frequency is as follows.

                  \lambda = \frac{c}{\nu}

where,        \lambda = wavelength

                       c = speed of light = 3 \times 10^{8} m/s

                  [/tex]\nu[/tex] = frequency

It is given that frequency is 7.2 \times 10^{11} s^{-1}. Hence, putting this value into the above formula and calculate the wavelength as follows.

                    \lambda = \frac{c}{\nu}

                    \lambda = \frac{3 \times 10^{8} m/s}{7.2 \times 10^{11} s^{-1}}

                             = 0.416 \times 10^{-3} m

or,                         = 4.16 \times 10^{-4} m

Thus, we can conclude that wavelength of given radiation is 4.16 \times 10^{-4} m.

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Is c6h8 molecular or empirical
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Answer:

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The number of shovels and cost per 1000 kg for<br> Ca(OH)2
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If you are asking for the formula, here it is. \

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