The speed of light in media M1 and M2 is 1.5 × 108 m/s and 2.0 × 108 m/s respectively. A ray of light enters from medium M1 to M2 at an incidence angle i. If the ray suffers total internal reflection, the value of i is
1
Equal to \(\sin^{-1}\left(\dfrac{2}{3}\right)\)
2
Equal to or less than \(\sin^{-1}\left(\dfrac{3}{5}\right)\)
3
Equal to or greater than \(\sin^{-1}\left(\dfrac{3}{4}\right)\)
4
Less than \(\sin^{-1}\left(\dfrac{2}{3}\right)\)