Somebody help me asap please giving brainliest (answer to the both of them)

Somebody Help Me Asap Please Giving Brainliest (answer To The Both Of Them)

Answers

Answer 1

Answer:

1. Causes air to vibrate 2. A hydroelectric dam generating electricity on a river


Related Questions

The blue colour of the sky results from the scattering of sunlight by air molecules. Blue light has a frequency if about 7.5*10^14Hz

Calculate the energy of a mole of photon associated with this frequency

Answers

Answer: The energy of a mole of photon associated with this frequency is [tex]49.5\times 10^{-20}J[/tex]

Explanation:

The energy and frequency are related by :

[tex]E=N\times h\times \nu[/tex]

E = energy of photon

N = number of moles = 1

h = planks constant = [tex]6.6\times 10^{-34}Js[/tex]

[tex]\nu[/tex] = frequency = [tex]7.5\times 10^{14}Hz[/tex]

[tex]E=1\times 6.6\times 10^{-34}Js\times 7.5\times 10^{14}s^{-1}=49.5\times 10^{-20}J[/tex]

The energy of a mole of photon associated with this frequency is [tex]49.5\times 10^{-20}J[/tex]

How does the Sun get energy?

Answers

Answer:

Nuclear fushion

Explanation:

The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons

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