Scheme of valuation (Enginering Physics VTU exam held on 16 January 2012)

1 a (i) A (ii) A (iii) C (iv) B (c) 0.08 eV

2 a (i) D (ii) B (iii) C (iv) B (d) 5.78 X 10⁴ m/s

3 a (i) A (ii) D (iii) A (iv) C (d) 1.39 x 10⁶m/s 5.52 x 10^-8 m/s

4 a (i) C (ii) A (iii) C (iv) A (c) 3.035 x 10^-40

5 a (i) B (ii) B (iii) A (iv) D (d) 1.43 x 10¹⁶

6 a (i) A (ii) B (iii) C (iv) B (d) 0.0345 53 1404

7 a (i) D (ii) A (iii) B (iv) C (c) (100), (010) and (001)

8 a (i) B (ii) D (iii) D (iv) C