

Explanation
(a) Factors that affect angle of deviation:
- angle of incidence
- refracting angle of the prism
- refractive index of the prism material.
(b) N = \(\frac{360}{\theta}\) = 1
7 = \(\frac{360}{\theta}\) = 1
\(\theta = 45^o\)
(c) V = s/t = \(\frac{0.8}{0.2}\)
= 4 m/s
(ii)

(ii)

(iv) The slope represents speed or velocity


