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Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to detect light of wavelength 500 nm coming from a star.

(a)

457.5 × 10–9 radian

(b)

305 × 10–9 radian

(c)

152.5 × 10–9 radian

(d)

610 × 10–9 radian


Question ID - 51192 | Toppr Answer

Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to detect light of wavelength 500 nm coming from a star.

(a)

457.5 × 10–9 radian

(b)

305 × 10–9 radian

(c)

152.5 × 10–9 radian

(d)

610 × 10–9 radian

1 Answer - 5876 Votes

3537

Answer Key : (b) -

 =

 =

   =

 = 305 × 10 − 9 radian



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