Physics The commonly used coolant in refrigerators is Nitrogen Ammonia Oxygen Freon Nitrogen Ammonia Oxygen Freon ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective mirror None of these combinations of lenses lens mirror None of these combinations of lenses lens ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of mass Conservation of angular momentum Conservation of energy Conservation of momentum Conservation of mass Conservation of angular momentum Conservation of energy Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Physics The different colours of different stars are due to the variation of Pressure Temperature Radiation from them Density Pressure Temperature Radiation from them Density ANSWER DOWNLOAD EXAMIANS APP
Physics A falling drop of rain water acquires the spherical shape due to Atmospheric pressure Viscosity Surface Tension Gravitational force Atmospheric pressure Viscosity Surface Tension Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Dentists mirros Car headlights Shaving mirros Driving mirrors Dentists mirros Car headlights Shaving mirros Driving mirrors ANSWER DOWNLOAD EXAMIANS APP