2 years ago

What is the best description of the constructive interference of light?

2 answers:

8 0

Answer:

Explanation:

I got this answer on the test :)

5 0

Answer: The crest and trough of two waves intersect.

Explanation:

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zimovet [89]

Answer:

1s2 2s2 2p2

Explanation:

it has 6 electrons in two energy levels so the sub levels are 1s, 2s and 2p

4 0

2 years ago

I am Lyosha [343]

If the abundance of the first isotope is 68.037%, then the abundance of the second isotope is 100%-68.037%.

Substituting into the atomic mass formula,

$47.574=(46.449)(0.68037)+x(1-0.68037)\\\\ 47.574=31.60250613+0.31963x\\\\15.97149387=0.31963x\\\\x \approx \boxed{49.969 \text{ u}}$

6 0

1 year ago

Ainat [17]

It is a molecule because hydrogen is an element.
An element is made up of molecules

7 0

2 years ago

saw5 [17]

Answer:

what is it?

Explanation:

you haven't said?

3 0

2 years ago

insens350 [35]

The formula for acceleration if rearranged based on the force equation is- force over mass. So 5000/1200=4.16

Your answer is 4 m/s squared.

4 0

2 years ago