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Vladimir [108]
3 years ago
9

Which type of electromagnetic radiation has the longest wavelengths? Which type of electromagnetic radiation has the shortest wa

velengths? How does this relate to the energy of each type of radiation?
Advanced Placement (AP)
1 answer:
irinina [24]3 years ago
6 0

Answer: Radio waves has the longest wavelength and Gamma rays has the shortage wavelength.

When wavelength increase and frequency decrease it is related to the energy of each type of radiation.

Explanation: The wavelength of Gamma rays is less than 10 pico meter and energy of Gamma rays is greater than 100kev while the wavelength of radiowaves is 100m to 100km and energy is 100ev to 100kev.

Energy is inversely proportional to wavelength so Gamma rays which have shortage wavelength will have highest energy and radio waves which have longest wavelength will have minimum energy

E=hc/wavelength

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egoroff_w [7]

For a marketing research study to have validity, it must actually measure what it sets out to measure.

Explanation:

When it comes to research, we need to make sure that the measures we are using are reliable and valid.

Reliability refers to consistency across time, items, and researchers. Validity refers to what degree the results of the research reflect what they are intended to reflect (if the research actually measures what it has set out to measure). There are three main types of validity:

  • face validity - the extent to which the research actually measures what it's supposed to measure;
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  • criterion validity - whether the results of the research correlate with other variables they are expected to be correlated with and not correlated with variables they are not expected to be correlated with.

Learn more about the use of databases in research: brainly.com/question/2735192

#LearnWithBrainly

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3 years ago
EVERY ECONOMIC DECISION HAS _______________ TRADE-OFFS, BUT ONLY ___________ OPPORTUNITY COST.
Sedaia [141]

Answer:

Every economic decision has <u>many</u> trade-offs, but only <u>one</u> opportunity cost.

Explanation:

Every economic decision as well as every decision involves trade-offs as a there are many other options or choices of investments as there are many other ways to make use of the companies resources. However for businesses, and economics in general the opportunity cost is the alternative forgone which is a comparison between two items, such as the item of most value whose production is stopped due to the economic decision to manufacture an alternative  product. As such for opportunity cost, there is a direct comparison between two items

Therefore, every economic decision has many trade-offs, but only one opportunity cost.

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Which best describes the results of the agricultural revolution?
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Answer:

People took control over the natural environment

Side note:

I have my Agricultural Unit Test in Thursday for my AP class. It's for my AP Human Geography class haha

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B

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Pagakatulad ng nobela at maikling kwento​
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