Physics, 29.12.2019 08:31 jasaide15

Which statement is true about the energy of electromagnetic radiation? a. the frequency of the emmited radiation is inversely proportional to its energy. b. the frequency of the emitted radiation is directly proportional to its energy c. the wavelength of the emitted radiation is directly proportional to its energy. d. the amplitude of the emitted radiation is inversely proportional to its energy.

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Answer from: staxmillz

The frequency of the emitted radiation is directly proportional to its energy

Answer from: luketrup

Option (B) is the correct answer.

Explanation:

The radiation in which waves of electromagnetic field travel or propagate through the space and carries electromagnetic radient energy is known as electromagnetic radiation.

The relation between energy and frequency is as follows.

$E = h \nu$ ............ (1)

where, E = energy

h = plank's constant

$\nu$ = frequency

Therefore, the frequency of the emitted radiation is directly proportional to its energy.

Also, frequency is proportional to c over wavelength. The relation is as follows.

$\nu = \frac{c}{\lambda}$ ........ (2)

where, $\nu$ = frequency

c = speed of light

$\lambda$ = wavelength

Placing the value of frequency from equation (2) to equation (1) as follows.

$E = \frac{hc}{\lambda}$

Thus, the wavelength of the emitted radiation is inversely proportional to its energy.

Answer from: Quest

! 55 !

write a paragraph or story to explain the transformation between potential and kinetic energy as shown in your picture or model.

you should have at least 5 complete sentences with a main idea and supporting details.

you must include the following words:

potential energy

kinetic energy

mechanical energy

conservation of energy

dude, this is hard lol : ))

55 ! write a paragraph or story to explain the transformation between potential and kinetic energy

Answer from: Quest

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

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