Question1
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. If a ray of white light enters the water at the angle of incidence of 61.05°, what are underwater angles of refraction for the blue and red components of the light?
Question2
A 70 human sprinter can accelerate from rest to 12 in 3.5. Throughout the similar interval, a 26greyhound can accelerate from rest to 18. Calculate
(a) Change in kinetic energy and
(b) Average power output for each.