Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle None of these Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A storm is predicted if atmospheric pressure Rises suddenly Falls gradually Falls suddenly Rises gradually Rises suddenly Falls gradually Falls suddenly Rises gradually ANSWER DOWNLOAD EXAMIANS APP
Physics The term ''equinox' means The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon When the day and night are of equal duration The path which the Earthtakes around the Sun The axis of the Earth around which it rotates The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon When the day and night are of equal duration The path which the Earthtakes around the Sun The axis of the Earth around which it rotates ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Gravitational force between train and man Illusion of the man The centripetal force Pressure difference due to fast moving air in between Gravitational force between train and man Illusion of the man The centripetal force Pressure difference due to fast moving air in between ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Amplitude Square root of amplitude Cube of amplitude Square of amplitude Amplitude Square root of amplitude Cube of amplitude Square of amplitude ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS