Which among the following is not a dwarf planet?
1). Mars
2). Makemake
3). Pluto
4). Eris
1. For which one of the following, ''Diodes" are generally used for?
2. Heat transfer horizontally within the atmosphere Is called
3. The centre of gravity of a sprinter during the race lies
4. Red light has a wavelength of 70 A°. In "nm" it is
7. Water has maximum density at
8. When an atom loses an electron it becomes
9. According to the theory of relativity which of the following alt ways remains constant ?