The length of the tube of a microscope is $$10\ cm$$. The focal lengths of the objective and eye lenses are $$0.5\ cm$$ and $$1.0\ cm$$. The magnifying power of the microscope is about.
A
$$450$$
B
$$166$$
C
$$23$$
D
$$500$$
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Solution
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Correct option is D. $$500$$
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