Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 4 T 2 T 8 T 1 T 4 T 2 T 8 T ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Brass Steel Tungsten Nichrome Brass Steel Tungsten Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics To open a door easily, the handle should be fixed Away from mid-point opposite to hinges None of these Near the hinges In the middle Away from mid-point opposite to hinges None of these Near the hinges In the middle ANSWER DOWNLOAD EXAMIANS APP
Physics What part of the atom has a positive charge? All listed here Electron Proton Neutron All listed here Electron Proton Neutron ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly expands Glass reacts chemically with water Water evaporates Glass suddenly contracts Glass suddenly expands Glass reacts chemically with water Water evaporates Glass suddenly contracts ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process of production of energy in the Sun Nuclear fission Ionization Nuclear fusion Radioactivity Nuclear fission Ionization Nuclear fusion Radioactivity ANSWER DOWNLOAD EXAMIANS APP