Two Stars Are Just Barely Resolved by a Telescope with a Lens

question 12

Multiple Choice

Two stars are just barely resolved by a telescope with a lens diameter of 0.500 m. Determine the angular separation of the two stars. Assume incident light of wavelength 500.0 nm.

• A)1.22 × 10^-6 rad
• B)5.66 × 10^-5 rad
• C)2.44 × 10^-7 rad
• D)4.88 × 10^-5 rad
• E)1.22 × 10^-7 rad

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