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Sindrei [870]
3 years ago
5

Write about a possible scenario where you may be tempted to not use lab safety explain what the correct and most safe choice wou

ld be in that situation
Physics
1 answer:
PtichkaEL [24]3 years ago
3 0
<span>One instance of forgoing lab safety would be a simple drop of a chemical into a test tube, and not wearing protective eye gear. Although it seems irrelevant to put on the goggles just for this matter, it is ultimately the safest option to do so in order to remain unharmed.</span>
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a nitrogen laser generates a pulse containing 10.0 mj of energy at a wavelength of 340.0 nm. how many photons are in the pulse?
Wewaii [24]

A nitrogen laser generates a pulse containing 10.0 mj of energy at a wavelength of 340.0 nm and has 1785 x 10¹⁹ photons in the pulse.

<h3>How many photons are in the pulse?</h3>

Energy of a single photon is

E=hcλ

E=6.626×10⁻³⁴ J s×3×108 m/s /340×10⁻⁹ m

E=6.31×10⁻¹⁹  J

Number of photons in the laser is

n=Total Energy/Energy per photon

n=10⁷×10⁻³J /5.90×10⁻¹⁹J/photon

n= 1785 x 10¹⁹ photons

To learn about photons, refer: brainly.com/question/20912241?referrer=searchResults

#SPJ4

6 0
2 years ago
If 270 wats of power is used in 42 seconds how much work is done ?
pentagon [3]

Answer:

power is given by work done divide time taken

P=w/t

therefore Pt=w

270x42=11,340.J

6 0
4 years ago
NEVERMIND ANSWER FOR SOME POINTS
saw5 [17]

Answer:

Answer what?

Explanation:

5 0
3 years ago
Why are some substances gases at room temperature but others are liquid or solid?
Otrada [13]

Answer:

The presence of strong intermolecular forces favors a condensed state of matter. liquid or solid), while very weak intermolecular interaction favor the gaseous state.

4 0
2 years ago
The number of wavelengths that pass a given point/second is called
myrzilka [38]

Answer:

I believe the answer is frequency

Hope this helps!! (let me know if it is right)

Explanation:

6 0
3 years ago
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