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Basile [38]
3 years ago
6

_: brings food and water to your cells.

Chemistry
1 answer:
Rama09 [41]3 years ago
4 0

Answer:

Mitochondria brings food and water to your cells

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1+1is= Make that as a ?
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<u>Answer:</u> The correct answer to this problem is 2.

<u>Explanation:</u>

We are given a mathematical problem, which is:

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3 years ago
A laser pulse with wavelength 545 nm contains 4.85 mJ of energy. How many photons are in the laser pulse?
dusya [7]

<u>Given</u>:

Wavelength (λ) of the laser pulse = 545 nm = 5.45 * 10⁻⁹ m

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<u>To determine:</u>

The number of photons in the laser of a given energy

<u>Explanation:</u>

Energy per photon (E) = hc/λ

where h = planck's constant = 6.626 *10⁻³⁴ Js

C = speed of light = 3*10⁸ m/s

λ = wavelength

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Now,

# photons = total energy/Energy per photon

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Ans: the laser pulse contains 1.32 * 10¹⁶ photons

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