Physics Rolling friction is caused by ________ Gravity Non-elastic effects Buoyancy Power dissipation Gravity Non-elastic effects Buoyancy Power dissipation ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Gravitational force Low viscosity of oil Pressure difference Capillary action Gravitational force Low viscosity of oil Pressure difference Capillary action ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Becomes half Become 4 times Becomes 1/4 th Is also doubled Becomes half Become 4 times Becomes 1/4 th ANSWER DOWNLOAD EXAMIANS APP
Physics If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be Half Same One Fourth Double Half Same One Fourth Double ANSWER DOWNLOAD EXAMIANS APP
Physics The density of a gas is maximum at High temperature, low pressure High temperature, high pressure Low temperature, low pressure Low temperature, high pressure High temperature, low pressure High temperature, high pressure Low temperature, low pressure Low temperature, high pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. ANSWER DOWNLOAD EXAMIANS APP