Physics Ball bearings are used in cycles, scooters etc to None of these Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Can't be determined Convex Both A & B Concave Can't be determined Convex Both A & B Concave ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (7/3)f (3/4)f F (4/3)f (7/3)f (3/4)f F (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Burst after reaching some height Reach a particular height and start coming down Continue going upwards uninterrupted Reach a particular height and remain floating Burst after reaching some height Reach a particular height and start coming down Continue going upwards uninterrupted Reach a particular height and remain floating ANSWER DOWNLOAD EXAMIANS APP
Physics The size of gear is usually specified by Pressure angle Diametral pitch Pitch circle diameter Circular pitch Pressure angle Diametral pitch Pitch circle diameter Circular pitch ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into Non-magnetic materials Diamagnetic materials None of the others Paramagnetic materials Non-magnetic materials Diamagnetic materials None of the others Paramagnetic materials ANSWER DOWNLOAD EXAMIANS APP
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