Question

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Answer 1

✔✔Here is your answer in the attachment ✔✔

Answer 2

✴ola!!✴

Tube open at both ends:

(a) v = v/2(ℓ + 0.6 D) ∴ 320 = 320/2(0.48 + 0.6 x D)

0.48 + 0.6 D = 0.5 ⇒ 0.6 D = 0.02

⇒ D = 0.02/60 x 100 cm = 3.33 cm

Tube closed atone end:

V = v/4(ℓ + 0.3 D) = 320/4 (0.48 + 0.3 x 0.033)

= 163 Hz

tysm❤