Which of these is a dwarf planet?
1). Neptune
2). Titan
3). Eris
4). Hydra
1. Which color deviates least when passing through a Prism
2. Which colour is the complementary colour of yellow
3. What does the slope of a velocity time graph represent?
5. Two stones of different masses are dropped simultaneously from the top of a building
9. Optical Fibre technology works on which of these principles of Physics?
10. ?Which of the following?electromagnetic waves has the longest wavelength?