Write the relation between wavelength frequency and velocity for a sound wave
2 answers:
Answer:
The wavelength of a sound is the distance between adjacent identical parts of a wave. The frequency is the same as that of the source and is the number of waves that pass a point per unit of time.
Explanation:
frequency ; the no of round completed in one second is called frequency wavelength ; the distance between two identical point on wave line velocity ; the distance cover in one second is called velocity
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Answer:
1. Many different hypotheses will be tested.
Explanation:
Scientists test every hypothesis they make for their investigation, before moving onto bigger conclusions.
The correct way to balance would be
2H2 + O2 = 2H2O
Answer:
crystalline
Explanation:
Ionic compounds and metals form crystals.
Answer:
A
an element made of carbon and oxygen atoms.
A.
H₃C-CH₃
this is called ethane
B.
H₃C-CH₂-CH₂-CH₃
this is called butane
C.H₃C-CH₂-CH₂-CH₂-CH₂-CH₃
this is called hexane
D.
H₃C-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
this is called heptane
