Physics Ball bearings are used in cycles, scooters etc to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The recoiling of gun is an example of which of the following? Conversion of Kinetic Energy to Potential Energy Law of Conservation of Angular Momentum Law of Conservation of Linear Momentum Law of Conservation of Energy Conversion of Kinetic Energy to Potential Energy Law of Conservation of Angular Momentum Law of Conservation of Linear Momentum Law of Conservation of Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which law is also called law of inertia ? Newton second law Newton first law Newton third law All of above Newton second law Newton first law Newton third law All of above ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, air and water Iron, water and air Water, iron and air Air, water and iron Iron, air and water Iron, water and air Water, iron and air Air, water and iron 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 The axis of the Earth around which it rotates When the day and night are of equal duration The path which the Earthtakes around the Sun 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 The axis of the Earth around which it rotates When the day and night are of equal duration The path which the Earthtakes around the Sun ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? Niels Bohr S Chandra Shekhar Edwin Hubble V Raman Niels Bohr S Chandra Shekhar Edwin Hubble V Raman ANSWER DOWNLOAD EXAMIANS APP
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