Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic emission Atomic absorption Electron absorption Electron emission Atomic emission Atomic absorption Electron absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Aluminium Copper Iron Silver Aluminium Copper Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Both reach at the same time Sphere Depends on their masses Disk Both reach at the same time Sphere Depends on their masses Disk ANSWER DOWNLOAD EXAMIANS APP
Physics A light year is a measure of : Speed Velocity Time Distance Speed Velocity Time Distance ANSWER DOWNLOAD EXAMIANS APP