What Magnifying Power Is Attained Using a Compound Microscope with the Following

question 9

Multiple Choice

What magnifying power is attained using a compound microscope with the following specifications: objective focal length 1.50 cm, eyepiece focal length 2.42 cm, tube length 16.0 cm? Assume a near point of 25.0 cm and that the microscope is adjusted for viewing an image at infinity.

• A) 110
• B) 90.0
• C) 12.0
• D) 11.0
• E) 8.00

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Definitions:

Medial Geniculate Nucleus

Major thalamic region concerned with audition.

Cochlea

Inner ear structure containing the auditory receptor cells.

Inner Ear

A complex structure in the ear responsible for hearing and balance, comprising the cochlea, vestibule, and semicircular canals.

Depolarization

Decrease in electrical charge across a membrane, usually due to the inward flow of sodium ions.