Statement 1: All large telescopes use parabolic mirrors rather than spherical mirrors.
Statement 2: A parabolic mirror brings parallel rays (rays parallel to its axis) to an exact focus at an point.
(a) Statement I is true, Statement II is True; Statement II is a correct explanation for Statement I.
(b) Statement I is true, Statement II is True; Statement II is NOT a correct explanation for Statement I.
(c) Statement I is true, Statement II is False
(d) Statement I is false, Statement II is True
