CBSE-XI-Physics
21: Speed of Light
- #1The speed of light is 299, 792, 458 ms-1
(a) with respect to the earth
(b) with respect to the sun
(c) with respect to a train moving on the earth
(d) with respect to a spaceship going in outer space.digAnsr: a,b,c,dAns : (a),
(b),
(c) and
(d)
The speed of light is a fundamental constant, and with respect to any inertial frame, it is independent of the motion of the light source.
Page No 448: