A Simple Refracting Telescope Has an Objective of Focal Length $\times$

question 64

Multiple Choice

A simple refracting telescope has an objective of focal length 75 cm and an eyepiece of focal length 3.0 cm.When viewed by the naked eye,the moon subtends an angle of about 0.009 radians.What angle is subtended by the moon when it is viewed through this telescope?

• A)0.022 rad
• B)0.22 rad
• C)3.6 \(\times\) 10^-4 rad
• D)0.078 rad
• E)3.0 \(\times\) 10^-3 rad

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Definitions:

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The bacterium that causes syphilis, a sexually transmitted infection that can have serious health consequences if not treated.

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A group of antibiotics used to treat various bacterial infections, derived from the Penicillium fungi.

Depo-Provera

A contraceptive injection containing progesterone that prevents ovulation, used as a form of birth control effective for three months per dose.