Question

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Answer 1

Answer:

ANSWER

since v=f×λ

330=f×3.3

f=100 Hz

so the answer is B.

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Answer 2

Velocity of sound→ 330 m per second

Frequency → 1000 Hz

Speed(v)=wavelength*frequency

330=wavelength*1000

330/1000

→0.33=wavelength

So,the wavelength =0.33m

hope it helps u!!