Calculate the limit of resolution of a telescope objective having a diameter of 200 cm

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to detect light of wavelength

500 \text{ nm}

coming from a star. (1)

305 \times 10^{-9} \text{ radian}

(2)

610 \times 10^{-9} \text{ radian}

(3)

152.5 \times 10^{-9} \text{ radian}

(4)

457.5 \times 10^{-9} \text{ radian}