A Person Is Nearsighted with a near Point of 75

question 60

Short Answer

A person is nearsighted with a near point of 75. cm.
(a) What FOCAL LENGTH is this?
(b) What POWER lens is needed to correct their nearsightedness (assuming distance from lens to eye is negligible)?

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Definitions:

Nasal Cavity

The large air space behind the nose, involved in breathing and housing the olfactory neurons.

Chemoreceptors

Sensory cells or organs specialized in detecting changes in chemical concentrations, often used in taste, smell, and regulation of breathing.

Ventilation

The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, primarily involving oxygen and carbon dioxide.

Blood pH

The measure of acidity or alkalinity of the blood, which is typically maintained at around 7.35 to 7.45.