A Refracting Telescope Has a Magnification M

question 50

Multiple Choice

A refracting telescope has a magnification M.If the focal length of the objective lens is doubled and the eyepiece focal length is halved,what is the new magnification?

• A)4M
• B)2M
• C)M/2
• D)M/4
• E)M

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Definitions:

Temporal

Bones that form the lower sides of the skull.

Ethmoid

Bones located between the sphenoid and nasal bone that form part of the floor of the cranium.

Occipital

Relating to the back of the head. The occipital bone forms the back of the skull.

Fontanels

Soft spots on a baby's head where the skull bones have not yet fused, allowing for growth of the brain and skull.