A turn of radius 120 m is being designed for a speed of 35 m/s. At what angle should the turn be banked?

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray

answer: the correct answer for the fill in the blank is rods.

rods are the specialized photoreceptor cells that are present in the retina of human eye. they are responsible for vision in the night time ( also called scotopic vision). they have very low visual acuity and color distinguishing ability.

as they are responsible for vision in night time, therefore they are found predominantly in the nocturnal animals.