Terangganu-Answer Physics P3-Trial SPM 2007

SULIT section A 1 (a) (i) (ii) (iii) (b) Refractive index, type of transparent material / n Refracted angle / r Incident angle/ i n 1.49 1.92 2.42 2.91 3.50 1. columns n , r , sin r, r/0 19.0 16.5 12.5 10.0 7.5 1 sin r 1 1 1 sin r 0.3256 0.2840 0.2164 0.1736 0.1305 1 sin r 3.07 3.52 4.62 5.76 7.66 2. all the units of n , r , sin r, 1 are correct sin r 3. all the value of r +/ - 0.5 0 4. Value of r , constant at 1 decimal place 5 Value of sin r , constant at 4 decimal places 1 constant