If You Stand Closer to a Concave Mirror Than a Distance

question 33

Multiple Choice

If you stand closer to a concave mirror than a distance of one focal length, the image you see is

• A) real and inverted.
• B) real and upright.
• C) virtual and inverted.
• D) virtual and upright.
• E) none of the above because you do not get an image.

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Definitions:

Memory Cells

A type of white blood cell that retains a memory of previously encountered pathogens and mounts a stronger and faster response upon reexposure.

Antigen

A substance that when introduced into the body, prompts the generation of an immune response by the production of antibodies.

Secondary Immune Response

The body's immune system's more rapid and intensified response to a pathogen it recognizes from a previous infection.

Memory Cells

Specific types of immune cells that remember past infections and can quickly respond to repeated exposures to the same pathogen.