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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