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Sidana [21]
3 years ago
5

Which structure contains the lowest amount of oxygen?

Physics
2 answers:
Alchen [17]3 years ago
3 0
The answer is vena cava
Hope this helps !!
Darina [25.2K]3 years ago
3 0

Answer:

Vena Cava

Explanation:

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You are comparing two diffraction gratings using two different lasers: a green laser and a red laser. You do these two experimen
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Answer:

a. (a) grating A has more lines/mm; (b) the first maximum less than 1 meter away from the center

Explanation:

Let  n₁ and n₂ be no of lines per unit length  of grating A and B respectively.

λ₁ and λ₂ be wave lengths of green and red respectively , D be distance of screen and d₁ and d₂ be distance between two slits of grating A and B ,

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Distance of first maxima for red light

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Given that

λ₁ D/ d₁ = λ₂ D/ d₂

λ₁ / d₁ = λ₂ / d₂

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But

λ₁  <  λ₂

d₁ < d₂

Therefore no of lines per unit length of grating A will be more because

no of lines per unit length  ∝ 1 / d

If grating B is illuminated with green light first maxima will be at distance

λ₁ D/ d₂

As λ₁ < λ₂

λ₁ D/ d₂ < λ₂ D/ d₂

λ₁ D/ d₂ < 1 m

In this case position of first maxima will be less than 1 meter.

Option a is correct .

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3 years ago
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