An Object and a Screen Are Separated by 15

question 63

Multiple Choice

An object and a screen are separated by 15.0 cm.A convex lens is placed between them,6.82 cm from the object.In this position it causes a sharp image of the object to form on the screen.What is the focal length of the lens?

• A)4.69 cm
• B)41.0 cm
• C)3.72 cm
• D)12.5 cm
• E)4.09 cm

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Definitions:

Alveoli

Tiny sacs within the lungs where the exchange of oxygen and carbon dioxide takes place.

Capillaries

The smallest blood vessels in the body, responsible for the exchange of oxygen, carbon dioxide, and nutrients with tissues.

Permease

is a type of protein involved in the transport of molecules across cell membranes, often functioning as part of facilitated diffusion or active transport mechanisms.

Potassium Cotransport

A mechanism involving the simultaneous transport of potassium and another substance across a cell membrane.