Reflecting Telescopes May Suffer with What Kind of Aberration(s)

question 47

Multiple Choice

Reflecting telescopes may suffer with what kind of aberration(s) ?

• A) spherical
• B) chromatic
• C) spherical and chromatic
• D) cinematic
• E) Brewster and parabolic

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Definitions:

Humerus

The humerus is the long bone in the upper arm that extends from the shoulder to the elbow, connecting with several muscles and joints.

Forearm Muscles

Groups of muscles in the lower arm that facilitate movement of the hand and wrist.

Flexors

Flexors are muscles that when contracted bring two bones closer together, decreasing the angle between them, most commonly referring to muscles that bend a limb at a joint.

Extensors

Muscles that increase the angle between parts at a joint, commonly straightening a limb.