The greatest angle at which a ray of light traveling through one transparent medium can hit the border between that medium and a second of lower refractive index.

It strikes the border without being completely reflected within the first medium is called the critical angle in optics.

Thus, the critical angle for the interface between water and diamond is 33.4 degrees.

Learn more about the critical angle

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3 0

3 years ago

Ty thinks it's strange that a person with an Asian-sounding name speaks Spanish as her primary language. Ty's thoughts are an ex

Aliun [14]

The correct answer is c

6 0

3 years ago

Integrated rate law for second order unimolecular irreversible

kirill115 [55]

Answer:

The rate law for second order unimolecular irreversible reaction is

$\frac{1}{[A]} = k.t + \frac{1}{[A]_{0} }$

Explanation:

A second order unimolecular irreversible reaction is

2A → B

Thus the rate of the reaction is

$v = -\frac{1}{2}.\frac{d[A]}{dt} = k.[A]^{2}$

rearranging the ecuation

$-\frac{1}{2}.\frac{k}{dt} = \frac{[A]^{2}}{d[A]}$

Integrating between times 0 to <em>t </em>and between the concentrations of $[A]_{0}$ to <em>[A].</em>

$\int\limits^0_t -\frac{1}{2}.\frac{k}{dt} =\int\limits^A_{0} _A\frac{[A]^{2}}{d[A]}$

Solving the integral

$\frac{1}{[A]} = k.t + \frac{1}{[A]_{0} }$

5 0

3 years ago