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:

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The cost or price at which rice is bought and sold, which can fluctuate based on various economic factors.

Plains Indians

Native American tribes who lived on the Great Plains of the United States and Canada, known for their nomadic lifestyles and dependence on bison.

Nomadic Way of Life

A lifestyle characterized by moving from one place to another rather than settling permanently in one location, often for reasons such as following seasonal food sources.

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The pursuit and killing or capturing of wild animals, primarily for food or sport.