The Hubble Space Telescope in orbit above the Earth has a 2.4m circular aperture

Question

The Hubble Space Telescope in orbit above the Earth has a 2.4m circular aperture. The telescope has equipment for detectingultraviolet light. What is the minimum angular separation betweentwo objects that the Hubble Space Telescope can resolve inultraviolet light of wavelength 95 nm?

b. 7.0 ×10–8 rad
c. 3.3 ×10–9 rad
d. 1.9 ×10–7 rad
e. 4.8 × 10–8 rad The Hubble Space Telescope in orbit above the Earth has a 2.4m circular aperture. The telescope has equipment for detectingultraviolet light. What is the minimum angular separation betweentwo objects that the Hubble Space Telescope can resolve inultraviolet light of wavelength 95 nm? 7.0 ×10–8 rad 3.3 ×10–9 rad 1.9 ×10–7 rad 4.8 × 10–8 rad

Explanation / Answer

diameter of telescope d = 2.4 m wavelength = 95 * 10 ^ -9 m angualr separation = 1.22 / d                              = 4.8 * 10 ^ -8 rad

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