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KatRina [158]
3 years ago
12

According to collision theory, which condition(s) must be met in order for molecules to react?

Physics
1 answer:
kondaur [170]3 years ago
5 0

Answer:

B because molecules occurs by the reaction

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What is the magnification of an astronomical telescope whose objective lens has a focal length of 71 cm and whose eyepiece has a
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To solve this problem it is necessary to apply the concepts related to optical magnification (is the process of enlarging the apparent size, not physical size, of something.). Specifically the angular magnification of an optical telescope is given by

M = -\frac{f_o}{f_e}

Where,

f_o = Focal length of the objective lens in a refractor

f_e = Focal length of the eyepiece

Our values are given as

f_o = 71cm

f_e =  2.1cm

Replacing we have

M = -\frac{f_o}{f_e}

M = -\frac{71}{2.1}

M = - 33.81

Therefore the magnification of this astronomical telescope is -33.81

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