Q

In which medium does light travel at maximum speed?

RRB Group-D 01/10/2018 / Shift-I 2018
✓ Answer: A Vacuum
Light travels fastest in vacuum, at approximately 3 × 10^8 m/s.
← Previous Question Next Question →

📚 Related Questions — Light

1 An object is 18 cm from a converging lens of focal length… 2 What image does a concave mirror form when the object is just… 3 A ray parallel to the principal axis strikes a concave mirror. After… 4 Which sign convention for focal length f and radius of curvature R… 5 A spherical mirror has radius of curvature 40 cm. Its focal length… 6 Where does a concave mirror form an image when the object’s rays…