I can't hear you

Classical Mechanics Level 3

Suppose, your friend Sumon has went to visit the space. You missed him so bad that you also hired one space ship and went to the home of the stars. Now, you both got out of the ship. Sumon told you that he is very much tired. The wave length was 20 cm while the frequency was 1700 Hz. What will be the velocity of sound?

If you know wave related formulas, then ignore it.

Frequency = Velocity of wave divided by the wavelength of the wave.

1700 m/s 0 m/s 340 m/s 20 m/s

Tanjeeb Meheran by Tanjeeb Meheran , 19, Bangladesh

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1 solution

Tanjeeb Meheran
Sep 20, 2017

It would be 0 m/s. Because space is a vacuum. We know that sound is a mechanical wave. Meaning that sound will need a medium to achieve advancements. Vacuum doesn't offer any medium, so it would be impossible for the sound to reach your ears!

2 Helpful 0 Interesting 0 Brilliant 0 Confused

Your question is poorly started. You have written that they both went out of their space ships, so there may be a chance that they are in a sound supporting environment ..may be in the same planet. Or maybe when you said" went to see the space" you meant the void i.e, not the things embedded in it, since then the question is totally correct irrespective of their location. Correcttt me if i am wrong!

Bhaskar Pandey - 3 years, 7 months ago

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