The light bulb converts electrical energy into light and ____. A) chemical B) electromagnetic C) heat D) nuclear
2 answers:
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Answer:
The magnification is 133X
Explanation:
For a refractor telescope using convex lenses, the overall magnification os calculated as by dividing the focal length of the objective by that of the eyepiece.
So:
Care must be taken with the units, in this case they are in meters and centimeters, they should be converted into the same unit before calculating: