in an experiment with a glass slab, a student observed that a ray of light incident at an angle of 60° the normal on one face of the slab before emerging out in the air making an angle of 42° with the normal. draw a labelled daigram to show the path of the ray. what would the value of angle of refraction and angle of emergence?
Answers
Answered by
3
Answer:
Spikes increase the surface of the shoes & make it rough which results in an increase in friction. This helps to have more grip on the floor and chances to slip reduces. This makes it easy for sportsmen to walk or run as their grip on the ground increases.
Answered by
0
Answer:
a set of tools, equipment or clothes that you need for a particular purpose, sport or activity
Similar questions