AP EAMCET202317 May 2023Evening ShiftPhysicsRay OpticsActual
Diameter of the objective lens of a telescope is 250 ~cm . For light of wavelength 600 ~nm , coming from a distant object, the limit of resolution of the telescope is close to
Options
- A1.5 10⁻⁷ rad
- B2.0 10⁻⁷ rad
- C3.0 10⁻⁷ rad
- D4.5 10⁻⁷ rad
Correct answer
C. 3.0 10⁻⁷ rad
Step-by-step solution
aligned & Limit of resolution = 1.22 d & = 1.22 600 10⁻⁹ 250 10⁻² =3 10⁻⁷ rad aligned