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alexira [117]
3 years ago
13

ANSWER PLS THIS WILL BRING MY GRADE REALLY HIGH UP Which of the following is not a compound

Physics
2 answers:
stepladder [879]3 years ago
4 0
3 rd one because I had this on my test
mafiozo [28]3 years ago
4 0
The 3rd one its not fully so it’s just a run on
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A thin film soap bubble (n=1.35) is floating in air. If the thickness of the bubble wall is 300nm, which of the following wavele
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Answer:

540 nm

Explanation:

According to the question,

The refractive index of the soap bubble, n=1.35.

The thickness of the soap bubble wall is, t=300 nm.

Now, for constructive interference of soap bubble.

2nt=(m+\frac{1}{2})\lambda.

Now for first order m=1.

Therfore,

\lambda =\frac{4}{3} tn

Substitute all the variables in the above equation.

\lambda =\frac{4}{3} (1.35)(300 nm).

Therefore,

\lambda =540 nm.

Therefore the visible light wavelength which is strongly reflected is 540 nm.

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