2 years ago

Which type of electromagnetic radiation has the longest wavelength?

Chemistry

1 answer:

Montano1993 [528]2 years ago

8 0

Answer:

B. Infrared.

Explanation:

Referring to the electromagnetic spectrum, ultraviolet rays can be measured with a frequency of 10‐⁸, infrared has a frequency of 10‐⁵, visible radiation has a frequency of 0.5 x 10‐⁶ meanwhile X-rays show a frequency of 10‐¹⁰.

Hence, the largest magnitude among the rest goes to infrared rays, which makes B the correct answer.

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Maurinko [17]

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1 year ago

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nikitadnepr [17]

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$4Al + 3O_2 \longrightarrow 2Al_2O_3\\$

… because two substances are combining to make one other substance.

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It is also a reduction-oxidation reaction because the oxidation number of Al increases from 0 to +3 and the oxidation number of O decreases from 0 to -2.

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2 years ago