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Instantaneous Rate of Change as Slope of Tangent

The correct c...

Question

The correct curve between the height or depression h of liquid in a capillary tube and its radius is

A

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B

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C

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D

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Solution

The correct option is B

$h = \frac{2 T c o s θ}{r d g} ∴ h \propto \frac{1}{r}$ . So the graph between h and r will be rectangular hyperbola.

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