Physics In case of uniform circular motion, the acceleration is Variable in magnitude but constant in direction Constant in magnitude and directed radially inwards Variable in magnitude but tangential to the circle Zero Variable in magnitude but constant in direction Constant in magnitude and directed radially inwards Variable in magnitude but tangential to the circle Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? Scattering Polarization Diffraction Interference Scattering Polarization Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 1 2 4 3 1 2 4 3 ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Orbital velocity of giant stars Astronomical distance Density of stars Brightness of heavenly bodies Orbital velocity of giant stars Astronomical distance Density of stars Brightness of heavenly bodies ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Atmospheric reflection Dispersion of light Total internal reflection Atmospheric refraction Atmospheric reflection Dispersion of light Total internal reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Dielectrics Perfect conductors Semi conductors Superconductors Dielectrics Perfect conductors Semi conductors ANSWER DOWNLOAD EXAMIANS APP