Choose and write the correct option.i. Yesh find out F1 and F2 of symmetric convex lens experimentally then which conclusion is true. a) 1 = 2 ` b) 1 > 2 c) 1 < 2 d) 1 ≠ 2 ii. If we gradually increase the angle of incidence of a ray of light passing through prism then ….. a) Angle of deviation goes on decreasing. b) Angle of deviation decreases but after certain value of incident angle, deviation angle increases c) Angle of deviation goes on increasing. d) Angle of deviation increases but after certain value of incident angle deviation angle decreases.iii. Which type of carbon-carbon bonds are present in Vanaspati ghee? a) Single b) double c) triple d) single-double iv. What is the type of the following reaction? a) Displacement b) combination c) decomposition d) double displacementv. Which of the following astronauts travelled through space shuttle ‘Discovery’ first time? a) Kalpana Chawala b) Rakesh Sharma c) Sunita Williams d) Neil Armstrong