Answer:
1. The retina contains three kinds of colour receptors
Explanation:
Young-Helmholtz theory color vision says human can perceive colour due to the presence of colour receptors in the retina that receives colour in various wavelengths
Even im not giving the result, i can tell you how to do it: Since time period is given as 6, we can calculate it's:
<span><span>R(t)=0.89sin(<span>π3</span>∗1.5)
Please do the calculations and you will get your answer. Hope it helps</span></span>
Answer:
You should consider if the fully cover your eyes, thickness, clearness, if they fog easily or not, grip so they won't slip off.
