2 years ago

How is a wavelength measured in a compressional wave?

1 answer:

6 0

A wavelength measurement is made by measuring the distance from a compression to the next compression or from a rarefaction to the next rarefaction . Let me know if I really help you my friend !

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Answer:

300k

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2 years ago

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olga nikolaevna [1]

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2 years ago

X<br> x<br> 2.5 N<br> 1.7 N<br> 2.5 N

Olin [163]

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2 years ago

The focal length for a spherical convex mirror is –20 cm. What is its radius of curvature?

Svetradugi [14.3K]

Answer:

40 cm

Explanation:

The focus of a spherical convex mirror is the point at which the rays of an object converge in the infinite, it is also the point at which an object must be placed so that its image is formed in the infinite. The distance from the focus to the origin is called the focal length and is called f. It is related to the radius of the mirror, R, according to:

$f=-\frac{R}{2}$

rewriting for R:

$R=-2f=-2*-20cm=40 cm$ .

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3 years ago