Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The ice which deposits on the freezer None of these The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer None of these The sudden expansion of a compressed gas ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Centrifugal force Frictional force Viscous forces Gravitational force Centrifugal force Frictional force Viscous forces Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest energy? Red Violet Blue White Red Violet Blue White ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing UV radiations Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing cosmic ray particles Absorbing UV radiations Regulating the temperature of atmosphere Reflecting radio waves and makes radio communication possible Absorbing cosmic ray particles ANSWER DOWNLOAD EXAMIANS APP
Physics The force which makes a vehicle to stop when break is applied is called Covalant force Vanderwalls force Frictional force Gravitational force Covalant force Vanderwalls force Frictional force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Joule per kilogram per Kelvin Coulomb Newton second per square meter Watt per meter per degree celcius Joule per kilogram per Kelvin Coulomb Newton second per square meter Watt per meter per degree celcius ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS