3 years ago

(PLEASE HELP) Which of the following describes a mixture?

Physics

2 answers:

vovangra [49]3 years ago

8 0

Answer:

D. A substance made of two or more types of atoms that are not chemically bonded

Explanation:

just took the test and got the answer right

enyata [817]3 years ago

3 0

Answer:

Explanation:

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46.22 cm

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The focal refraction, fr is given by

$fr = \frac {c}{(1.572 -1)} = \frac {c}{0 .572}$

The focal red light is given by

$fv = \frac {c}{(1.605 - 1)} = \frac {c}{0.605}$

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$\frac {1}{fr} = \frac{1}{image} + \frac {1}{object}$ and making fr the subject we obtain

$fr = \frac {image * object}{(image + object)} = \frac {24.00 * 55} {(24.0 + 55)} = 16.70886 cm$

fv = 0.945455* 16.70886 cm = 15.79747 cm

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